23233404640553 has 32 divisors (see below), whose sum is σ = 25558343696160. Its totient is φ = 21021488087040.

The previous prime is 23233404640543. The next prime is 23233404640597. The reversal of 23233404640553 is 35504640433232.

It can be written as a sum of positive squares in 16 ways, for example, as 14190289129 + 23219214351424 = 119123^2 + 4818632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23233404640553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23233404640543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888351725 + ... + 888377877.

It is an arithmetic number, because the mean of its divisors is an integer number (798698240505).

Almost surely, 2^{23233404640553} is an apocalyptic number.

It is an amenable number.

23233404640553 is a deficient number, since it is larger than the sum of its proper divisors (2324939055607).

23233404640553 is a wasteful number, since it uses less digits than its factorization.

23233404640553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33917.

The product of its (nonzero) digits is 3110400, while the sum is 44.

The spelling of 23233404640553 in words is "twenty-three trillion, two hundred thirty-three billion, four hundred four million, six hundred forty thousand, five hundred fifty-three".