123232031 has 8 divisors (see below), whose sum is σ = 140518224. Its totient is φ = 107061120.

The previous prime is 123232027. The next prime is 123232033. The reversal of 123232031 is 130232321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123232031 - 2² = 123232027 is a prime.

It is a super-2 number, since 2×123232031² = 30372266928769922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278585 + ... + 279026.

It is an arithmetic number, because the mean of its divisors is an integer number (17564778).

Almost surely, 2^123232031 is an apocalyptic number.

123232031 is a deficient number, since it is larger than the sum of its proper divisors (17286193).

123232031 is a wasteful number, since it uses less digits than its factorization.

123232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557641.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123232031 is about 11100.9923430295. The cubic root of 123232031 is about 497.6315061897.

Adding to 123232031 its reverse (130232321), we get a palindrome (253464352).

The spelling of 123232031 in words is "one hundred twenty-three million, two hundred thirty-two thousand, thirty-one".