123023002013111 has 4 divisors (see below), whose sum is σ = 123329792542224. Its totient is φ = 122716211484000.

The previous prime is 123023002013059. The next prime is 123023002013113. The reversal of 123023002013111 is 111310200320321.

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 123023002013111 - 2¹⁰ = 123023002012087 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 (123023002013113) 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, 153395263955 + ... + 153395264756.

It is an arithmetic number, because the mean of its divisors is an integer number (30832448135556).

Almost surely, 2^{123023002013111} is an apocalyptic number.

123023002013111 is a deficient number, since it is larger than the sum of its proper divisors (306790529113).

123023002013111 is an equidigital number, since it uses as much as digits as its factorization.

123023002013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306790529112.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123023002013111 its reverse (111310200320321), we get a palindrome (234333202333432).

The spelling of 123023002013111 in words is "one hundred twenty-three trillion, twenty-three billion, two million, thirteen thousand, one hundred eleven".