123300113231 has 4 divisors (see below), whose sum is σ = 124989155952. Its totient is φ = 121611070512.

The previous prime is 123300113227. The next prime is 123300113267. The reversal of 123300113231 is 132311003321.

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 123300113231 - 2² = 123300113227 is a prime.

It is a super-2 number, since 2×123300113231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300113281) 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, 844521251 + ... + 844521396.

It is an arithmetic number, because the mean of its divisors is an integer number (31247288988).

Almost surely, 2^123300113231 is an apocalyptic number.

123300113231 is a deficient number, since it is larger than the sum of its proper divisors (1689042721).

123300113231 is an equidigital number, since it uses as much as digits as its factorization.

123300113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689042720.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123300113231 its reverse (132311003321), we get a palindrome (255611116552).

The spelling of 123300113231 in words is "one hundred twenty-three billion, three hundred million, one hundred thirteen thousand, two hundred thirty-one".