23414453520520 has 32 divisors (see below), whose sum is σ = 52682855200920. Its totient is φ = 9365721891840.

The previous prime is 23414453520433. The next prime is 23414453520539. The reversal of 23414453520520 is 2502535441432.

It can be written as a sum of positive squares in 4 ways, for example, as 20988877775044 + 2425575745476 = 4581362^2 + 1557426^2 .

It is a super-2 number, since 2×23414453520520² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4808560 + ... + 8363680.

Almost surely, 2^{23414453520520} is an apocalyptic number.

23414453520520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23414453520520 is an abundant number, since it is smaller than the sum of its proper divisors (29268401680400).

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

23414453520520 is a wasteful number, since it uses less digits than its factorization.

23414453520520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719785 (or 3719781 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 23414453520520 its reverse (2502535441432), we get a palindrome (25916988961952).

The spelling of 23414453520520 in words is "twenty-three trillion, four hundred fourteen billion, four hundred fifty-three million, five hundred twenty thousand, five hundred twenty".