1423111104 has 42 divisors (see below), whose sum is σ = 4079092680. Its totient is φ = 474370176.

The previous prime is 1423111103. The next prime is 1423111121. The reversal of 1423111104 is 4011113241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423111103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1234764 + ... + 1235915.

Almost surely, 2^1423111104 is an apocalyptic number.

It is an amenable number.

1423111104 is an abundant number, since it is smaller than the sum of its proper divisors (2655981576).

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

1423111104 is a wasteful number, since it uses less digits than its factorization.

1423111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470697 (or 2470684 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1423111104 is about 37724.1448412022. The cubic root of 1423111104 is about 1124.8111232541.

Adding to 1423111104 its reverse (4011113241), we get a palindrome (5434224345).

The spelling of 1423111104 in words is "one billion, four hundred twenty-three million, one hundred eleven thousand, one hundred four".