23404045224040 has 64 divisors (see below), whose sum is σ = 57271285204560. Its totient is φ = 8555934259200.

The previous prime is 23404045224037. The next prime is 23404045224041. The reversal of 23404045224040 is 4042254040432.

It can be written as a sum of positive squares in 8 ways, for example, as 13668858968164 + 9735186255876 = 3697142^2 + 3120126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23404045223987 and 23404045224005.

It is not an unprimeable number, because it can be changed into a prime (23404045224041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222758269 + ... + 222863308.

Almost surely, 2^{23404045224040} is an apocalyptic number.

23404045224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404045224040 is an abundant number, since it is smaller than the sum of its proper divisors (33867239980520).

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

23404045224040 is a wasteful number, since it uses less digits than its factorization.

23404045224040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445621702 (or 445621698 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

Adding to 23404045224040 its reverse (4042254040432), we get a palindrome (27446299264472).

The spelling of 23404045224040 in words is "twenty-three trillion, four hundred four billion, forty-five million, two hundred twenty-four thousand, forty".