23237489688 has 64 divisors (see below), whose sum is σ = 67037468160. Its totient is φ = 6574818816.

The previous prime is 23237489647. The next prime is 23237489689. The reversal of 23237489688 is 88698473232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23237489689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654145 + ... + 688752.

It is an arithmetic number, because the mean of its divisors is an integer number (1047460440).

Almost surely, 2^23237489688 is an apocalyptic number.

23237489688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23237489688 is an abundant number, since it is smaller than the sum of its proper divisors (43799978472).

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

23237489688 is a wasteful number, since it uses less digits than its factorization.

23237489688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343016 (or 1343012 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 60.

The spelling of 23237489688 in words is "twenty-three billion, two hundred thirty-seven million, four hundred eighty-nine thousand, six hundred eighty-eight".