23490138227 has 2 divisors, whose sum is σ = 23490138228. Its totient is φ = 23490138226.

The previous prime is 23490138223. The next prime is 23490138233. The reversal of 23490138227 is 72283109432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23490138227 - 2² = 23490138223 is a prime.

It is not a weakly prime, because it can be changed into another prime (23490138223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745069113 + 11745069114.

It is an arithmetic number, because the mean of its divisors is an integer number (11745069114).

Almost surely, 2^23490138227 is an apocalyptic number.

23490138227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490138227 is an equidigital number, since it uses as much as digits as its factorization.

23490138227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 23490138227 in words is "twenty-three billion, four hundred ninety million, one hundred thirty-eight thousand, two hundred twenty-seven".