23507748570 has 64 divisors (see below), whose sum is σ = 58326137856. Its totient is φ = 6057392640.

The previous prime is 23507748559. The next prime is 23507748571. The reversal of 23507748570 is 7584770532.

It is a super-2 number, since 2×23507748570² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23507748571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610942 + ... + 648278.

It is an arithmetic number, because the mean of its divisors is an integer number (911345904).

Almost surely, 2^23507748570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23507748570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29163068928).

23507748570 is an abundant number, since it is smaller than the sum of its proper divisors (34818389286).

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

23507748570 is a wasteful number, since it uses less digits than its factorization.

23507748570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38055.

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 23507748570 in words is "twenty-three billion, five hundred seven million, seven hundred forty-eight thousand, five hundred seventy".