23325570438 has 32 divisors (see below), whose sum is σ = 49136855040. Its totient is φ = 7361411040.

The previous prime is 23325570407. The next prime is 23325570439. The reversal of 23325570438 is 83407552332.

It is a self number, because there is not a number n which added to its sum of digits gives 23325570438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23325570439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124123 + ... + 249113.

It is an arithmetic number, because the mean of its divisors is an integer number (1535526720).

Almost surely, 2^23325570438 is an apocalyptic number.

23325570438 is an abundant number, since it is smaller than the sum of its proper divisors (25811284602).

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

23325570438 is a wasteful number, since it uses less digits than its factorization.

23325570438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126652.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 23325570438 in words is "twenty-three billion, three hundred twenty-five million, five hundred seventy thousand, four hundred thirty-eight".