23345524202381 has 2 divisors, whose sum is σ = 23345524202382. Its totient is φ = 23345524202380.

The previous prime is 23345524202353. The next prime is 23345524202411. The reversal of 23345524202381 is 18320242554332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20698587184900 + 2646937017481 = 4549570^2 + 1626941^2 .

It is a cyclic number.

It is not a de Polignac number, because 23345524202381 - 2⁶ = 23345524202317 is a prime.

It is a super-2 number, since 2×23345524202381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23345524202681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672762101190 + 11672762101191.

It is an arithmetic number, because the mean of its divisors is an integer number (11672762101191).

Almost surely, 2^{23345524202381} is an apocalyptic number.

It is an amenable number.

23345524202381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345524202381 is an equidigital number, since it uses as much as digits as its factorization.

23345524202381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 23345524202381 in words is "twenty-three trillion, three hundred forty-five billion, five hundred twenty-four million, two hundred two thousand, three hundred eighty-one".