123162613 has 4 divisors (see below), whose sum is σ = 140757280. Its totient is φ = 105567948.

The previous prime is 123162593. The next prime is 123162649. The reversal of 123162613 is 316261321.

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-123162613 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 (123162673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8797323 + ... + 8797336.

It is an arithmetic number, because the mean of its divisors is an integer number (35189320).

Almost surely, 2^123162613 is an apocalyptic number.

It is an amenable number.

123162613 is a deficient number, since it is larger than the sum of its proper divisors (17594667).

123162613 is an equidigital number, since it uses as much as digits as its factorization.

123162613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17594666.

The product of its digits is 1296, while the sum is 25.

The square root of 123162613 is about 11097.8652451722. The cubic root of 123162613 is about 497.5380481494.

The spelling of 123162613 in words is "one hundred twenty-three million, one hundred sixty-two thousand, six hundred thirteen".