23040124031021 has 2 divisors, whose sum is σ = 23040124031022. Its totient is φ = 23040124031020.

The previous prime is 23040124030997. The next prime is 23040124031053. The reversal of 23040124031021 is 12013042104032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23007505864996 + 32618166025 = 4796614^2 + 180605^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040124031021 - 2¹⁴ = 23040124014637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23040124061021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520062015510 + 11520062015511.

It is an arithmetic number, because the mean of its divisors is an integer number (11520062015511).

Almost surely, 2^{23040124031021} is an apocalyptic number.

It is an amenable number.

23040124031021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040124031021 is an equidigital number, since it uses as much as digits as its factorization.

23040124031021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23040124031021 its reverse (12013042104032), we get a palindrome (35053166135053).

The spelling of 23040124031021 in words is "twenty-three trillion, forty billion, one hundred twenty-four million, thirty-one thousand, twenty-one".