23242035520520 has 16 divisors (see below), whose sum is σ = 52294579921260. Its totient is φ = 9296814208192.

The previous prime is 23242035520499. The next prime is 23242035520531. The reversal of 23242035520520 is 2502553024232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22244749676356 + 997285844164 = 4716434^2 + 998642^2 .

It is a super-2 number, since 2×23242035520520² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290525443967 + ... + 290525444046.

Almost surely, 2^{23242035520520} is an apocalyptic number.

23242035520520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23242035520520 is an abundant number, since it is smaller than the sum of its proper divisors (29052544400740).

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

23242035520520 is a wasteful number, since it uses less digits than its factorization.

23242035520520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581050888024 (or 581050888020 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 23242035520520 its reverse (2502553024232), we get a palindrome (25744588544752).

The spelling of 23242035520520 in words is "twenty-three trillion, two hundred forty-two billion, thirty-five million, five hundred twenty thousand, five hundred twenty".