23481390252 has 48 divisors (see below), whose sum is σ = 55566927360. Its totient is φ = 7716426432.

The previous prime is 23481390221. The next prime is 23481390259. The reversal of 23481390252 is 25209318432.

It is a self number, because there is not a number n which added to its sum of digits gives 23481390252.

It is not an unprimeable number, because it can be changed into a prime (23481390259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623503 + ... + 660089.

It is an arithmetic number, because the mean of its divisors is an integer number (1157644320).

Almost surely, 2^23481390252 is an apocalyptic number.

It is an amenable number.

23481390252 is an abundant number, since it is smaller than the sum of its proper divisors (32085537108).

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

23481390252 is a wasteful number, since it uses less digits than its factorization.

23481390252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37350 (or 37348 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 23481390252 in words is "twenty-three billion, four hundred eighty-one million, three hundred ninety thousand, two hundred fifty-two".