23361237440 has 56 divisors (see below), whose sum is σ = 55652791920. Its totient is φ = 9340489728.

The previous prime is 23361237437. The next prime is 23361237451. The reversal of 23361237440 is 4473216332.

It is a self number, because there is not a number n which added to its sum of digits gives 23361237440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798104 + ... + 826856.

Almost surely, 2^23361237440 is an apocalyptic number.

23361237440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23361237440 is an abundant number, since it is smaller than the sum of its proper divisors (32291554480).

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

23361237440 is a wasteful number, since it uses less digits than its factorization.

23361237440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31309 (or 31299 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 23361237440 in words is "twenty-three billion, three hundred sixty-one million, two hundred thirty-seven thousand, four hundred forty".