623342665 has 16 divisors (see below), whose sum is σ = 851492736. Its totient is φ = 433628800.

The previous prime is 623342653. The next prime is 623342677. The reversal of 623342665 is 566243326.

It is an interprime number because it is at equal distance from previous prime (623342653) and next prime (623342677).

It is not a de Polignac number, because 623342665 - 2⁷ = 623342537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245116 + ... + 247645.

It is an arithmetic number, because the mean of its divisors is an integer number (53218296).

Almost surely, 2^623342665 is an apocalyptic number.

It is an amenable number.

623342665 is a deficient number, since it is larger than the sum of its proper divisors (228150071).

623342665 is a wasteful number, since it uses less digits than its factorization.

623342665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492800.

The product of its digits is 155520, while the sum is 37.

The square root of 623342665 is about 24966.8312967425. The cubic root of 623342665 is about 854.2315702206.

The spelling of 623342665 in words is "six hundred twenty-three million, three hundred forty-two thousand, six hundred sixty-five".