123013107 has 16 divisors (see below), whose sum is σ = 208276480. Its totient is φ = 70293096.

The previous prime is 123013091. The next prime is 123013127. The reversal of 123013107 is 701310321.

It is not a de Polignac number, because 123013107 - 2⁴ = 123013091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123013107.

It is not an unprimeable number, because it can be changed into a prime (123013127) 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, 325243 + ... + 325620.

It is an arithmetic number, because the mean of its divisors is an integer number (13017280).

Almost surely, 2^123013107 is an apocalyptic number.

123013107 is a deficient number, since it is larger than the sum of its proper divisors (85263373).

123013107 is an equidigital number, since it uses as much as digits as its factorization.

123013107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650879 (or 650873 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 123013107 is about 11091.1273998634. The cubic root of 123013107 is about 497.3366476314.

Adding to 123013107 its reverse (701310321), we get a palindrome (824323428).

The spelling of 123013107 in words is "one hundred twenty-three million, thirteen thousand, one hundred seven".