123576613 has 4 divisors (see below), whose sum is σ = 123611488. Its totient is φ = 123541740.

The previous prime is 123576611. The next prime is 123576617. The reversal of 123576613 is 316675321.

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 123576613 - 2¹ = 123576611 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 (123576611) 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, 11433 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (30902872).

Almost surely, 2^123576613 is an apocalyptic number.

It is an amenable number.

123576613 is a deficient number, since it is larger than the sum of its proper divisors (34875).

123576613 is an equidigital number, since it uses as much as digits as its factorization.

123576613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34874.

The product of its digits is 22680, while the sum is 34.

The square root of 123576613 is about 11116.5018328609. The cubic root of 123576613 is about 498.0949010821.

The spelling of 123576613 in words is "one hundred twenty-three million, five hundred seventy-six thousand, six hundred thirteen".