617488023 has 4 divisors (see below), whose sum is σ = 823317368. Its totient is φ = 411658680.

The previous prime is 617488009. The next prime is 617488037. The reversal of 617488023 is 320884716.

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

It is an interprime number because it is at equal distance from previous prime (617488009) and next prime (617488037).

It is not a de Polignac number, because 617488023 - 2⁴ = 617488007 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 (617488063) 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, 102914668 + ... + 102914673.

It is an arithmetic number, because the mean of its divisors is an integer number (205829342).

Almost surely, 2^617488023 is an apocalyptic number.

617488023 is a deficient number, since it is larger than the sum of its proper divisors (205829345).

617488023 is a wasteful number, since it uses less digits than its factorization.

617488023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205829344.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 617488023 is about 24849.3062881039. The cubic root of 617488023 is about 851.5487440988.

The spelling of 617488023 in words is "six hundred seventeen million, four hundred eighty-eight thousand, twenty-three".