23137005304 has 64 divisors (see below), whose sum is σ = 52705416960. Its totient is φ = 9295296000.

The previous prime is 23137005271. The next prime is 23137005349. The reversal of 23137005304 is 40350073132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190539 + ... + 287365.

It is an arithmetic number, because the mean of its divisors is an integer number (823522140).

Almost surely, 2^23137005304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23137005304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26352708480).

23137005304 is an abundant number, since it is smaller than the sum of its proper divisors (29568411656).

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

23137005304 is a wasteful number, since it uses less digits than its factorization.

23137005304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97108 (or 97104 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 23137005304 its reverse (40350073132), we get a palindrome (63487078436).

The spelling of 23137005304 in words is "twenty-three billion, one hundred thirty-seven million, five thousand, three hundred four".