23250757218 has 32 divisors (see below), whose sum is σ = 50114332800. Its totient is φ = 7148967936.

The previous prime is 23250757213. The next prime is 23250757291. The reversal of 23250757218 is 81275705232.

It is a super-2 number, since 2×23250757218² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23250757218.

It is not an unprimeable number, because it can be changed into a prime (23250757213) 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, 4123 + ... + 215681.

It is an arithmetic number, because the mean of its divisors is an integer number (1566072900).

Almost surely, 2^23250757218 is an apocalyptic number.

23250757218 is an abundant number, since it is smaller than the sum of its proper divisors (26863575582).

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

23250757218 is a wasteful number, since it uses less digits than its factorization.

23250757218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212986.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 23250757218 in words is "twenty-three billion, two hundred fifty million, seven hundred fifty-seven thousand, two hundred eighteen".