1423002340 has 48 divisors (see below), whose sum is σ = 3330633600. Its totient is φ = 507520512.

The previous prime is 1423002281. The next prime is 1423002419. The reversal of 1423002340 is 432003241.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103680 + ... + 116599.

It is an arithmetic number, because the mean of its divisors is an integer number (69388200).

Almost surely, 2^1423002340 is an apocalyptic number.

1423002340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423002340 is an abundant number, since it is smaller than the sum of its proper divisors (1907631260).

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

1423002340 is a wasteful number, since it uses less digits than its factorization.

1423002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220324 (or 220322 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1423002340 is about 37722.7032435376. The cubic root of 1423002340 is about 1124.7824672405.

Adding to 1423002340 its reverse (432003241), we get a palindrome (1855005581).

Subtracting from 1423002340 its reverse (432003241), we obtain a palindrome (990999099).

The spelling of 1423002340 in words is "one billion, four hundred twenty-three million, two thousand, three hundred forty".