23355970560 has 528 divisors, whose sum is σ = 88125413376. Its totient is φ = 5685313536.

The previous prime is 23355970529. The next prime is 23355970607. The reversal of 23355970560 is 6507955332.

It is a happy number.

23355970560 is a `hidden beast` number, since 2 + 3 + 3 + 5 + 597 + 0 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76077927 + ... + 76078233.

It is an arithmetic number, because the mean of its divisors is an integer number (166904192).

Almost surely, 2^23355970560 is an apocalyptic number.

23355970560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23355970560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44062706688).

23355970560 is an abundant number, since it is smaller than the sum of its proper divisors (64769442816).

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

23355970560 is a wasteful number, since it uses less digits than its factorization.

23355970560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

The spelling of 23355970560 in words is "twenty-three billion, three hundred fifty-five million, nine hundred seventy thousand, five hundred sixty".