23451312102 has 64 divisors (see below), whose sum is σ = 49434223104. Its totient is φ = 7406933760.

The previous prime is 23451312043. The next prime is 23451312151. The reversal of 23451312102 is 20121315432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5850583 + ... + 5854589.

It is an arithmetic number, because the mean of its divisors is an integer number (772409736).

Almost surely, 2^23451312102 is an apocalyptic number.

23451312102 is an abundant number, since it is smaller than the sum of its proper divisors (25982911002).

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

23451312102 is a wasteful number, since it uses less digits than its factorization.

23451312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23451312102 its reverse (20121315432), we get a palindrome (43572627534).

The spelling of 23451312102 in words is "twenty-three billion, four hundred fifty-one million, three hundred twelve thousand, one hundred two".