123230032331 has 6 divisors (see below), whose sum is σ = 143349221340. Its totient is φ = 105625741956.

The previous prime is 123230032313. The next prime is 123230032349. The reversal of 123230032331 is 133230032321.

It is an interprime number because it is at equal distance from previous prime (123230032313) and next prime (123230032349).

It is a de Polignac number, because none of the positive numbers 2^k-123230032331 is a prime.

It is a super-2 number, since 2×123230032331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123230032297 and 123230032306.

It is not an unprimeable number, because it can be changed into a prime (123230032301) 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 5 ways as a sum of consecutive naturals, for example, 1257449261 + ... + 1257449358.

It is an arithmetic number, because the mean of its divisors is an integer number (23891536890).

Almost surely, 2^123230032331 is an apocalyptic number.

123230032331 is a deficient number, since it is larger than the sum of its proper divisors (20119189009).

123230032331 is an equidigital number, since it uses as much as digits as its factorization.

123230032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514898633 (or 2514898626 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123230032331 its reverse (133230032321), we get a palindrome (256460064652).

The spelling of 123230032331 in words is "one hundred twenty-three billion, two hundred thirty million, thirty-two thousand, three hundred thirty-one".