23011198934261 has 2 divisors, whose sum is σ = 23011198934262. Its totient is φ = 23011198934260.

The previous prime is 23011198934249. The next prime is 23011198934281. The reversal of 23011198934261 is 16243989111032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19527119102500 + 3484079831761 = 4418950^2 + 1866569^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011198934261 - 2¹⁴ = 23011198917877 is a prime.

It is a super-2 number, since 2×23011198934261² (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 (23011198934281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505599467130 + 11505599467131.

It is an arithmetic number, because the mean of its divisors is an integer number (11505599467131).

Almost surely, 2^{23011198934261} is an apocalyptic number.

It is an amenable number.

23011198934261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011198934261 is an equidigital number, since it uses as much as digits as its factorization.

23011198934261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 23011198934261 in words is "twenty-three trillion, eleven billion, one hundred ninety-eight million, nine hundred thirty-four thousand, two hundred sixty-one".