123132232031 has 16 divisors (see below), whose sum is σ = 127695367200. Its totient is φ = 118639002240.

The previous prime is 123132232001. The next prime is 123132232037. The reversal of 123132232031 is 130232231321.

It is not a de Polignac number, because 123132232031 - 2¹⁰ = 123132231007 is a prime.

It is a super-2 number, since 2×123132232031² (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 = 123132231988 and 123132232006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132232037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1791065 + ... + 1858541.

It is an arithmetic number, because the mean of its divisors is an integer number (7980960450).

Almost surely, 2^123132232031 is an apocalyptic number.

123132232031 is a deficient number, since it is larger than the sum of its proper divisors (4563135169).

123132232031 is a wasteful number, since it uses less digits than its factorization.

123132232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67994.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123132232031 its reverse (130232231321), we get a palindrome (253364463352).

The spelling of 123132232031 in words is "one hundred twenty-three billion, one hundred thirty-two million, two hundred thirty-two thousand, thirty-one".