123020232331 has 4 divisors (see below), whose sum is σ = 123084947664. Its totient is φ = 122955517000.

The previous prime is 123020232329. The next prime is 123020232341. The reversal of 123020232331 is 133232020321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133232020321 = 72503 ⋅1837607.

It is a cyclic number.

It is not a de Polignac number, because 123020232331 - 2¹ = 123020232329 is a prime.

It is a super-2 number, since 2×123020232331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123020232341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32354815 + ... + 32358616.

It is an arithmetic number, because the mean of its divisors is an integer number (30771236916).

Almost surely, 2^123020232331 is an apocalyptic number.

123020232331 is a deficient number, since it is larger than the sum of its proper divisors (64715333).

123020232331 is an equidigital number, since it uses as much as digits as its factorization.

123020232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715332.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123020232331 its reverse (133232020321), we get a palindrome (256252252652).

The spelling of 123020232331 in words is "one hundred twenty-three billion, twenty million, two hundred thirty-two thousand, three hundred thirty-one".