123113101 has 4 divisors (see below), whose sum is σ = 123304032. Its totient is φ = 122922172.

The previous prime is 123113093. The next prime is 123113131. The reversal of 123113101 is 101311321.

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 not a de Polignac number, because 123113101 - 2³ = 123113093 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 (123113131) 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, 94495 + ... + 95788.

It is an arithmetic number, because the mean of its divisors is an integer number (30826008).

Almost surely, 2^123113101 is an apocalyptic number.

It is an amenable number.

123113101 is a deficient number, since it is larger than the sum of its proper divisors (190931).

123113101 is an equidigital number, since it uses as much as digits as its factorization.

123113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190930.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 123113101 is about 11095.6343216600. The cubic root of 123113101 is about 497.4713682671.

Adding to 123113101 its reverse (101311321), we get a palindrome (224424422).

It can be divided in two parts, 12 and 3113101, that added together give a palindrome (3113113).

The spelling of 123113101 in words is "one hundred twenty-three million, one hundred thirteen thousand, one hundred one".