23252915816 has 16 divisors (see below), whose sum is σ = 46953003300. Its totient is φ = 10732114944.

The previous prime is 23252915747. The next prime is 23252915869. The reversal of 23252915816 is 61851925232.

It can be written as a sum of positive squares in 2 ways, for example, as 20480472100 + 2772443716 = 143110^2 + 52654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111792761 + ... + 111792968.

Almost surely, 2^23252915816 is an apocalyptic number.

23252915816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23252915816 is an abundant number, since it is smaller than the sum of its proper divisors (23700087484).

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

23252915816 is a wasteful number, since it uses less digits than its factorization.

23252915816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223585748 (or 223585744 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The spelling of 23252915816 in words is "twenty-three billion, two hundred fifty-two million, nine hundred fifteen thousand, eight hundred sixteen".