23111111012359 has 2 divisors, whose sum is σ = 23111111012360. Its totient is φ = 23111111012358.

The previous prime is 23111111012309. The next prime is 23111111012369. The reversal of 23111111012359 is 95321011111132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23111111012359 - 2¹⁵ = 23111110979591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23111111012359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23111111012309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555555506179 + 11555555506180.

It is an arithmetic number, because the mean of its divisors is an integer number (11555555506180).

Almost surely, 2^{23111111012359} is an apocalyptic number.

23111111012359 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111111012359 is an equidigital number, since it uses as much as digits as its factorization.

23111111012359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 31.

The spelling of 23111111012359 in words is "twenty-three trillion, one hundred eleven billion, one hundred eleven million, twelve thousand, three hundred fifty-nine".