23131032227 has 2 divisors, whose sum is σ = 23131032228. Its totient is φ = 23131032226.

The previous prime is 23131032191. The next prime is 23131032233. The reversal of 23131032227 is 72223013132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23131032227 - 2⁸ = 23131031971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23131032196 and 23131032205.

It is not a weakly prime, because it can be changed into another prime (23131031227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565516113 + 11565516114.

It is an arithmetic number, because the mean of its divisors is an integer number (11565516114).

Almost surely, 2^23131032227 is an apocalyptic number.

23131032227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131032227 is an equidigital number, since it uses as much as digits as its factorization.

23131032227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 23131032227 its reverse (72223013132), we get a palindrome (95354045359).

The spelling of 23131032227 in words is "twenty-three billion, one hundred thirty-one million, thirty-two thousand, two hundred twenty-seven".