123032111331 has 8 divisors (see below), whose sum is σ = 164248643664. Its totient is φ = 81918493280.

The previous prime is 123032111309. The next prime is 123032111347. The reversal of 123032111331 is 133111230321.

It is a happy number.

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 123032111331 - 2⁷ = 123032111203 is a prime.

It is a super-2 number, since 2×123032111331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123032111298 and 123032111307.

It is not an unprimeable number, because it can be changed into a prime (123032111231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25725780 + ... + 25730561.

It is an arithmetic number, because the mean of its divisors is an integer number (20531080458).

Almost surely, 2^123032111331 is an apocalyptic number.

123032111331 is a deficient number, since it is larger than the sum of its proper divisors (41216532333).

123032111331 is an equidigital number, since it uses as much as digits as its factorization.

123032111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51457141.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123032111331 its reverse (133111230321), we get a palindrome (256143341652).

The spelling of 123032111331 in words is "one hundred twenty-three billion, thirty-two million, one hundred eleven thousand, three hundred thirty-one".