23031212227 has 2 divisors, whose sum is σ = 23031212228. Its totient is φ = 23031212226.

The previous prime is 23031212209. The next prime is 23031212249. The reversal of 23031212227 is 72221213032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23031212227 - 2²⁷ = 22896994499 is a prime.

It is a super-2 number, since 2×23031212227² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23031212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515606113 + 11515606114.

It is an arithmetic number, because the mean of its divisors is an integer number (11515606114).

Almost surely, 2^23031212227 is an apocalyptic number.

23031212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031212227 is an equidigital number, since it uses as much as digits as its factorization.

23031212227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 23031212227 its reverse (72221213032), we get a palindrome (95252425259).

The spelling of 23031212227 in words is "twenty-three billion, thirty-one million, two hundred twelve thousand, two hundred twenty-seven".