123023332231 has 4 divisors (see below), whose sum is σ = 123058575864. Its totient is φ = 122988088600.

The previous prime is 123023332153. The next prime is 123023332247. The reversal of 123023332231 is 132233320321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132233320321 = 3389 ⋅39018389.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123023332231 is a prime.

It is a super-2 number, since 2×123023332231² (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 = 123023332196 and 123023332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023335231) 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 3 ways as a sum of consecutive naturals, for example, 17616580 + ... + 17623561.

It is an arithmetic number, because the mean of its divisors is an integer number (30764643966).

Almost surely, 2^123023332231 is an apocalyptic number.

123023332231 is a deficient number, since it is larger than the sum of its proper divisors (35243633).

123023332231 is an equidigital number, since it uses as much as digits as its factorization.

123023332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35243632.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123023332231 its reverse (132233320321), we get a palindrome (255256652552).

The spelling of 123023332231 in words is "one hundred twenty-three billion, twenty-three million, three hundred thirty-two thousand, two hundred thirty-one".