23120511545101 has 2 divisors, whose sum is σ = 23120511545102. Its totient is φ = 23120511545100.

The previous prime is 23120511545071. The next prime is 23120511545111. The reversal of 23120511545101 is 10154511502132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19245023217225 + 3875488327876 = 4386915^2 + 1968626^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120511545101 - 2⁷ = 23120511544973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120511545111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560255772550 + 11560255772551.

It is an arithmetic number, because the mean of its divisors is an integer number (11560255772551).

Almost surely, 2^{23120511545101} is an apocalyptic number.

It is an amenable number.

23120511545101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120511545101 is an equidigital number, since it uses as much as digits as its factorization.

23120511545101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 23120511545101 in words is "twenty-three trillion, one hundred twenty billion, five hundred eleven million, five hundred forty-five thousand, one hundred one".