123012023001111 has 48 divisors (see below), whose sum is σ = 186923473970688. Its totient is φ = 80825596437600.

The previous prime is 123012023001103. The next prime is 123012023001181. The reversal of 123012023001111 is 111100320210321.

123012023001111 is a `hidden beast` number, since 1 + 2 + 301 + 20 + 230 + 0 + 1 + 111 = 666.

It is not a de Polignac number, because 123012023001111 - 2³ = 123012023001103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012023001181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49811526 + ... + 52222716.

It is an arithmetic number, because the mean of its divisors is an integer number (3894239041056).

Almost surely, 2^{123012023001111} is an apocalyptic number.

123012023001111 is a deficient number, since it is larger than the sum of its proper divisors (63911450969577).

123012023001111 is an equidigital number, since it uses as much as digits as its factorization.

123012023001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414234 (or 2414222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 123012023001111 its reverse (111100320210321), we get a palindrome (234112343211432).

The spelling of 123012023001111 in words is "one hundred twenty-three trillion, twelve billion, twenty-three million, one thousand, one hundred eleven".