23490138271 has 2 divisors, whose sum is σ = 23490138272. Its totient is φ = 23490138270.

The previous prime is 23490138251. The next prime is 23490138299. The reversal of 23490138271 is 17283109432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23490138271 - 2⁷ = 23490138143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23490138251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745069135 + 11745069136.

It is an arithmetic number, because the mean of its divisors is an integer number (11745069136).

Almost surely, 2^23490138271 is an apocalyptic number.

23490138271 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490138271 is an equidigital number, since it uses as much as digits as its factorization.

23490138271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 23490138271 in words is "twenty-three billion, four hundred ninety million, one hundred thirty-eight thousand, two hundred seventy-one".