23151102402 has 16 divisors (see below), whose sum is σ = 46534881600. Its totient is φ = 7678254672.

The previous prime is 23151102379. The next prime is 23151102419. The reversal of 23151102402 is 20420115132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9693573 + ... + 9695960.

It is an arithmetic number, because the mean of its divisors is an integer number (2908430100).

Almost surely, 2^23151102402 is an apocalyptic number.

23151102402 is an abundant number, since it is smaller than the sum of its proper divisors (23383779198).

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

23151102402 is a wasteful number, since it uses less digits than its factorization.

23151102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19389737.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 23151102402 its reverse (20420115132), we get a palindrome (43571217534).

The spelling of 23151102402 in words is "twenty-three billion, one hundred fifty-one million, one hundred two thousand, four hundred two".