609107623 has 4 divisors (see below), whose sum is σ = 628756288. Its totient is φ = 589458960.

The previous prime is 609107593. The next prime is 609107647. The reversal of 609107623 is 326701906.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609107623 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 (609107663) 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, 9824286 + ... + 9824347.

It is an arithmetic number, because the mean of its divisors is an integer number (157189072).

Almost surely, 2^609107623 is an apocalyptic number.

609107623 is a deficient number, since it is larger than the sum of its proper divisors (19648665).

609107623 is a wasteful number, since it uses less digits than its factorization.

609107623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648664.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 609107623 is about 24680.1058141978. The cubic root of 609107623 is about 847.6788450830.

The spelling of 609107623 in words is "six hundred nine million, one hundred seven thousand, six hundred twenty-three".