23402405112 has 16 divisors (see below), whose sum is σ = 58506012840. Its totient is φ = 7800801696.

The previous prime is 23402405087. The next prime is 23402405141. The reversal of 23402405112 is 21150420432.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 975100213 = 23402405112 / (2 + 3 + 4 + 0 + 2 + 4 + 0 + 5 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487550083 + ... + 487550130.

Almost surely, 2^23402405112 is an apocalyptic number.

It is an amenable number.

23402405112 is an abundant number, since it is smaller than the sum of its proper divisors (35103607728).

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

23402405112 is a wasteful number, since it uses less digits than its factorization.

23402405112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975100222 (or 975100218 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 23402405112 its reverse (21150420432), we get a palindrome (44552825544).

The spelling of 23402405112 in words is "twenty-three billion, four hundred two million, four hundred five thousand, one hundred twelve".