123311311301213 has 16 divisors (see below), whose sum is σ = 145475847659520. Its totient is φ = 102284055298800.

The previous prime is 123311311301153. The next prime is 123311311301237. The reversal of 123311311301213 is 312103113113321.

It is not a de Polignac number, because 123311311301213 - 2⁶ = 123311311301149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311311301513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7188518 + ... + 17271288.

It is an arithmetic number, because the mean of its divisors is an integer number (9092240478720).

Almost surely, 2^{123311311301213} is an apocalyptic number.

It is an amenable number.

123311311301213 is a deficient number, since it is larger than the sum of its proper divisors (22164536358307).

123311311301213 is a wasteful number, since it uses less digits than its factorization.

123311311301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10139168.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 123311311301213 its reverse (312103113113321), we get a palindrome (435414424414534).

The spelling of 123311311301213 in words is "one hundred twenty-three trillion, three hundred eleven billion, three hundred eleven million, three hundred one thousand, two hundred thirteen".