923564663 has 8 divisors (see below), whose sum is σ = 1070369280. Its totient is φ = 780476760.

The previous prime is 923564657. The next prime is 923564671. The reversal of 923564663 is 366465329.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 923564663 - 2⁶ = 923564599 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 (923564693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928643 + ... + 929636.

It is an arithmetic number, because the mean of its divisors is an integer number (133796160).

Almost surely, 2^923564663 is an apocalyptic number.

923564663 is a deficient number, since it is larger than the sum of its proper divisors (146804617).

923564663 is a wasteful number, since it uses less digits than its factorization.

923564663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858357.

The product of its digits is 699840, while the sum is 44.

The square root of 923564663 is about 30390.2066955788. The cubic root of 923564663 is about 973.8433491517.

The spelling of 923564663 in words is "nine hundred twenty-three million, five hundred sixty-four thousand, six hundred sixty-three".