123310013023 has 4 divisors (see below), whose sum is σ = 123325119760. Its totient is φ = 123294906288.

The previous prime is 123310013017. The next prime is 123310013081. The reversal of 123310013023 is 320310013321.

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 123310013023 - 2¹⁷ = 123309881951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123310053023) 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, 7541118 + ... + 7557451.

It is an arithmetic number, because the mean of its divisors is an integer number (30831279940).

Almost surely, 2^123310013023 is an apocalyptic number.

123310013023 is a deficient number, since it is larger than the sum of its proper divisors (15106737).

123310013023 is an equidigital number, since it uses as much as digits as its factorization.

123310013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106736.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123310013023 its reverse (320310013321), we get a palindrome (443620026344).

The spelling of 123310013023 in words is "one hundred twenty-three billion, three hundred ten million, thirteen thousand, twenty-three".