42323613 has 4 divisors (see below), whose sum is σ = 56431488. Its totient is φ = 28215740.

The previous prime is 42323563. The next prime is 42323623. The reversal of 42323613 is 31632324.

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 42323613 - 2¹⁰ = 42322589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42323623) 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, 7053933 + ... + 7053938.

It is an arithmetic number, because the mean of its divisors is an integer number (14107872).

Almost surely, 2^42323613 is an apocalyptic number.

It is an amenable number.

42323613 is a deficient number, since it is larger than the sum of its proper divisors (14107875).

42323613 is a wasteful number, since it uses less digits than its factorization.

42323613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107874.

The product of its digits is 2592, while the sum is 24.

The square root of 42323613 is about 6505.6600741201. The cubic root of 42323613 is about 348.4931490934.

Adding to 42323613 its reverse (31632324), we get a palindrome (73955937).

The spelling of 42323613 in words is "forty-two million, three hundred twenty-three thousand, six hundred thirteen".