123021313232023 has 4 divisors (see below), whose sum is σ = 123156948638920. Its totient is φ = 122885677825128.

The previous prime is 123021313232011. The next prime is 123021313232029. The reversal of 123021313232023 is 320232313120321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123021313232023 - 2¹⁷ = 123021313100951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123021313231982 and 123021313232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123021313232029) 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, 67817702088 + ... + 67817703901.

It is an arithmetic number, because the mean of its divisors is an integer number (30789237159730).

Almost surely, 2^{123021313232023} is an apocalyptic number.

123021313232023 is a deficient number, since it is larger than the sum of its proper divisors (135635406897).

123021313232023 is an equidigital number, since it uses as much as digits as its factorization.

123021313232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135635406896.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123021313232023 its reverse (320232313120321), we get a palindrome (443253626352344).

The spelling of 123021313232023 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred thirteen million, two hundred thirty-two thousand, twenty-three".