123032367631 has 4 divisors (see below), whose sum is σ = 125353733112. Its totient is φ = 120711002152.

The previous prime is 123032367613. The next prime is 123032367707. The reversal of 123032367631 is 136763230321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136763230321 = 149 ⋅917874029.

It is a cyclic number.

It is not a de Polignac number, because 123032367631 - 2²⁵ = 122998813199 is a prime.

It is a super-2 number, since 2×123032367631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032368631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160682661 + ... + 1160682766.

It is an arithmetic number, because the mean of its divisors is an integer number (31338433278).

Almost surely, 2^123032367631 is an apocalyptic number.

123032367631 is a deficient number, since it is larger than the sum of its proper divisors (2321365481).

123032367631 is an equidigital number, since it uses as much as digits as its factorization.

123032367631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321365480.

The product of its (nonzero) digits is 81648, while the sum is 37.

Adding to 123032367631 its reverse (136763230321), we get a palindrome (259795597952).

The spelling of 123032367631 in words is "one hundred twenty-three billion, thirty-two million, three hundred sixty-seven thousand, six hundred thirty-one".