123101412013 has 4 divisors (see below), whose sum is σ = 125720591040. Its totient is φ = 120482232988.

The previous prime is 123101411911. The next prime is 123101412017. The reversal of 123101412013 is 310214101321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123101412013 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 (123101412017) 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, 1309589443 + ... + 1309589536.

It is an arithmetic number, because the mean of its divisors is an integer number (31430147760).

Almost surely, 2^123101412013 is an apocalyptic number.

It is an amenable number.

123101412013 is a deficient number, since it is larger than the sum of its proper divisors (2619179027).

123101412013 is an equidigital number, since it uses as much as digits as its factorization.

123101412013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619179026.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123101412013 its reverse (310214101321), we get a palindrome (433315513334).

The spelling of 123101412013 in words is "one hundred twenty-three billion, one hundred one million, four hundred twelve thousand, thirteen".