23351540134369 has 2 divisors, whose sum is σ = 23351540134370. Its totient is φ = 23351540134368.

The previous prime is 23351540134339. The next prime is 23351540134537. The reversal of 23351540134369 is 96343104515332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16001504035344 + 7350036099025 = 4000188^2 + 2711095^2 .

It is a cyclic number.

It is not a de Polignac number, because 23351540134369 - 2¹⁵ = 23351540101601 is a prime.

It is a super-2 number, since 2×23351540134369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23351540134339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675770067184 + 11675770067185.

It is an arithmetic number, because the mean of its divisors is an integer number (11675770067185).

Almost surely, 2^{23351540134369} is an apocalyptic number.

It is an amenable number.

23351540134369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351540134369 is an equidigital number, since it uses as much as digits as its factorization.

23351540134369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 23351540134369 in words is "twenty-three trillion, three hundred fifty-one billion, five hundred forty million, one hundred thirty-four thousand, three hundred sixty-nine".