23040221523601 has 2 divisors, whose sum is σ = 23040221523602. Its totient is φ = 23040221523600.

The previous prime is 23040221523559. The next prime is 23040221523707. The reversal of 23040221523601 is 10632512204032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16936969857025 + 6103251666576 = 4115455^2 + 2470476^2 .

It is a cyclic number.

It is not a de Polignac number, because 23040221523601 - 2³⁹ = 22490465709713 is a prime.

It is not a weakly prime, because it can be changed into another prime (23040221523101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11520110761800 + 11520110761801.

It is an arithmetic number, because the mean of its divisors is an integer number (11520110761801).

Almost surely, 2^{23040221523601} is an apocalyptic number.

It is an amenable number.

23040221523601 is a deficient number, since it is larger than the sum of its proper divisors (1).

23040221523601 is an equidigital number, since it uses as much as digits as its factorization.

23040221523601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 23040221523601 its reverse (10632512204032), we get a palindrome (33672733727633).

The spelling of 23040221523601 in words is "twenty-three trillion, forty billion, two hundred twenty-one million, five hundred twenty-three thousand, six hundred one".