23204036105440 has 48 divisors (see below), whose sum is σ = 58044213852912. Its totient is φ = 8735637121024.

The previous prime is 23204036105407. The next prime is 23204036105513. The reversal of 23204036105440 is 4450163040232.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 23204036105396 and 23204036105405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4265445094 + ... + 4265450533.

It is an arithmetic number, because the mean of its divisors is an integer number (1209254455269).

Almost surely, 2^{23204036105440} is an apocalyptic number.

23204036105440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23204036105440 is an abundant number, since it is smaller than the sum of its proper divisors (34840177747472).

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

23204036105440 is a wasteful number, since it uses less digits than its factorization.

23204036105440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530895659 (or 8530895651 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 23204036105440 its reverse (4450163040232), we get a palindrome (27654199145672).

The spelling of 23204036105440 in words is "twenty-three trillion, two hundred four billion, thirty-six million, one hundred five thousand, four hundred forty".