23100111214391 has 2 divisors, whose sum is σ = 23100111214392. Its totient is φ = 23100111214390.

The previous prime is 23100111214307. The next prime is 23100111214409. The reversal of 23100111214391 is 19341211100132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23100111214391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23100111214291) 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, 11550055607195 + 11550055607196.

It is an arithmetic number, because the mean of its divisors is an integer number (11550055607196).

Almost surely, 2^{23100111214391} is an apocalyptic number.

23100111214391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100111214391 is an equidigital number, since it uses as much as digits as its factorization.

23100111214391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 23100111214391 in words is "twenty-three trillion, one hundred billion, one hundred eleven million, two hundred fourteen thousand, three hundred ninety-one".