23013120133021 has 2 divisors, whose sum is σ = 23013120133022. Its totient is φ = 23013120133020.

The previous prime is 23013120132991. The next prime is 23013120133063. The reversal of 23013120133021 is 12033102131032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14742635668996 + 8270484464025 = 3839614^2 + 2875845^2 .

It is a cyclic number.

It is not a de Polignac number, because 23013120133021 - 2⁴³ = 14217027110813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23013120132983 and 23013120133001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23013120133621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506560066510 + 11506560066511.

It is an arithmetic number, because the mean of its divisors is an integer number (11506560066511).

Almost surely, 2^{23013120133021} is an apocalyptic number.

It is an amenable number.

23013120133021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013120133021 is an equidigital number, since it uses as much as digits as its factorization.

23013120133021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23013120133021 its reverse (12033102131032), we get a palindrome (35046222264053).

The spelling of 23013120133021 in words is "twenty-three trillion, thirteen billion, one hundred twenty million, one hundred thirty-three thousand, twenty-one".