23311227459397 has 2 divisors, whose sum is σ = 23311227459398. Its totient is φ = 23311227459396.

The previous prime is 23311227459337. The next prime is 23311227459407. The reversal of 23311227459397 is 79395472211332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21175329975556 + 2135897483841 = 4601666^2 + 1461471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311227459397 is a prime.

It is a super-2 number, since 2×23311227459397² (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 (23311227459337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655613729698 + 11655613729699.

It is an arithmetic number, because the mean of its divisors is an integer number (11655613729699).

Almost surely, 2^{23311227459397} is an apocalyptic number.

It is an amenable number.

23311227459397 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311227459397 is an equidigital number, since it uses as much as digits as its factorization.

23311227459397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 58.

The spelling of 23311227459397 in words is "twenty-three trillion, three hundred eleven billion, two hundred twenty-seven million, four hundred fifty-nine thousand, three hundred ninety-seven".