23169825802381 has 2 divisors, whose sum is σ = 23169825802382. Its totient is φ = 23169825802380.

The previous prime is 23169825802307. The next prime is 23169825802399. The reversal of 23169825802381 is 18320852896132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12212865185481 + 10956960616900 = 3494691^2 + 3310130^2 .

It is a cyclic number.

It is not a de Polignac number, because 23169825802381 - 2¹⁷ = 23169825671309 is a prime.

It is a super-2 number, since 2×23169825802381² (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 (23169825802181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11584912901190 + 11584912901191.

It is an arithmetic number, because the mean of its divisors is an integer number (11584912901191).

Almost surely, 2^{23169825802381} is an apocalyptic number.

It is an amenable number.

23169825802381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23169825802381 is an equidigital number, since it uses as much as digits as its factorization.

23169825802381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 23169825802381 in words is "twenty-three trillion, one hundred sixty-nine billion, eight hundred twenty-five million, eight hundred two thousand, three hundred eighty-one".