123200232113111 has 2 divisors, whose sum is σ = 123200232113112. Its totient is φ = 123200232113110.

The previous prime is 123200232113093. The next prime is 123200232113149. The reversal of 123200232113111 is 111311232002321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123200232113111 - 2¹⁸ = 123200231850967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123200232113171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600116056555 + 61600116056556.

It is an arithmetic number, because the mean of its divisors is an integer number (61600116056556).

Almost surely, 2^{123200232113111} is an apocalyptic number.

123200232113111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200232113111 is an equidigital number, since it uses as much as digits as its factorization.

123200232113111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123200232113111 its reverse (111311232002321), we get a palindrome (234511464115432).

The spelling of 123200232113111 in words is "one hundred twenty-three trillion, two hundred billion, two hundred thirty-two million, one hundred thirteen thousand, one hundred eleven".