123112022311 has 2 divisors, whose sum is σ = 123112022312. Its totient is φ = 123112022310.

The previous prime is 123112022281. The next prime is 123112022323. The reversal of 123112022311 is 113220211321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123112022311 - 2¹⁷ = 123111891239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123112422311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61556011155 + 61556011156.

It is an arithmetic number, because the mean of its divisors is an integer number (61556011156).

Almost surely, 2^123112022311 is an apocalyptic number.

123112022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

123112022311 is an equidigital number, since it uses as much as digits as its factorization.

123112022311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123112022311 its reverse (113220211321), we get a palindrome (236332233632).

The spelling of 123112022311 in words is "one hundred twenty-three billion, one hundred twelve million, twenty-two thousand, three hundred eleven".