123244031 has 2 divisors, whose sum is σ = 123244032. Its totient is φ = 123244030.

The previous prime is 123244007. The next prime is 123244057. The reversal of 123244031 is 130442321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123244031 - 2¹⁴ = 123227647 is a prime.

It is a super-2 number, since 2×123244031² = 30378182354257922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123243994 and 123244012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123244081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61622015 + 61622016.

It is an arithmetic number, because the mean of its divisors is an integer number (61622016).

Almost surely, 2^123244031 is an apocalyptic number.

123244031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123244031 is an equidigital number, since it uses as much as digits as its factorization.

123244031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123244031 is about 11101.5328220926. The cubic root of 123244031 is about 497.6476583330.

Adding to 123244031 its reverse (130442321), we get a palindrome (253686352).

The spelling of 123244031 in words is "one hundred twenty-three million, two hundred forty-four thousand, thirty-one".