123311322023 has 2 divisors, whose sum is σ = 123311322024. Its totient is φ = 123311322022.

The previous prime is 123311321933. The next prime is 123311322047. The reversal of 123311322023 is 320223113321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123311322023 - 2²² = 123307127719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123311322023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123311322053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655661011 + 61655661012.

It is an arithmetic number, because the mean of its divisors is an integer number (61655661012).

Almost surely, 2^123311322023 is an apocalyptic number.

123311322023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123311322023 is an equidigital number, since it uses as much as digits as its factorization.

123311322023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123311322023 its reverse (320223113321), we get a palindrome (443534435344).

The spelling of 123311322023 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred twenty-two thousand, twenty-three".