1423047340 has 96 divisors (see below), whose sum is σ = 3531528000. Its totient is φ = 474854400.

The previous prime is 1423047331. The next prime is 1423047361. The reversal of 1423047340 is 437403241.

1423047340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1423047299 and 1423047308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516286 + ... + 519034.

It is an arithmetic number, because the mean of its divisors is an integer number (36786750).

Almost surely, 2^1423047340 is an apocalyptic number.

1423047340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423047340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1765764000).

1423047340 is an abundant number, since it is smaller than the sum of its proper divisors (2108480660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423047340 is a wasteful number, since it uses less digits than its factorization.

1423047340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963 (or 2961 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1423047340 is about 37723.2996966066. The cubic root of 1423047340 is about 1124.7943235521.

The spelling of 1423047340 in words is "one billion, four hundred twenty-three million, forty-seven thousand, three hundred forty".