123233031 has 12 divisors (see below), whose sum is σ = 187372120. Its totient is φ = 77831280.

The previous prime is 123233021. The next prime is 123233041. The reversal of 123233031 is 130332321.

It is an interprime number because it is at equal distance from previous prime (123233021) and next prime (123233041).

It is not a de Polignac number, because 123233031 - 2⁹ = 123232519 is a prime.

It is a super-2 number, since 2×123233031² = 30372759858893922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123232995 and 123233013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360160 + ... + 360501.

Almost surely, 2^123233031 is an apocalyptic number.

123233031 is a deficient number, since it is larger than the sum of its proper divisors (64139089).

123233031 is a wasteful number, since it uses less digits than its factorization.

123233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720686 (or 720683 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123233031 is about 11101.0373839565. The cubic root of 123233031 is about 497.6328522417.

Adding to 123233031 its reverse (130332321), we get a palindrome (253565352).

The spelling of 123233031 in words is "one hundred twenty-three million, two hundred thirty-three thousand, thirty-one".