23101101391 has 2 divisors, whose sum is σ = 23101101392. Its totient is φ = 23101101390.

The previous prime is 23101101383. The next prime is 23101101407. The reversal of 23101101391 is 19310110132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23101101391 - 2³ = 23101101383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101111391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550550695 + 11550550696.

It is an arithmetic number, because the mean of its divisors is an integer number (11550550696).

Almost surely, 2^23101101391 is an apocalyptic number.

23101101391 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101101391 is an equidigital number, since it uses as much as digits as its factorization.

23101101391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 23101101391 in words is "twenty-three billion, one hundred one million, one hundred one thousand, three hundred ninety-one".