669123093 has 8 divisors (see below), whose sum is σ = 902188800. Its totient is φ = 441069728.

The previous prime is 669123089. The next prime is 669123097. The reversal of 669123093 is 390321966.

It is an interprime number because it is at equal distance from previous prime (669123089) and next prime (669123097).

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

It is a cyclic number.

It is not a de Polignac number, because 669123093 - 2² = 669123089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669123097) 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, 1252773 + ... + 1253306.

It is an arithmetic number, because the mean of its divisors is an integer number (112773600).

Almost surely, 2^669123093 is an apocalyptic number.

It is an amenable number.

669123093 is a deficient number, since it is larger than the sum of its proper divisors (233065707).

669123093 is a wasteful number, since it uses less digits than its factorization.

669123093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506171.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 669123093 is about 25867.4137284731. The cubic root of 669123093 is about 874.6520926534.

The spelling of 669123093 in words is "six hundred sixty-nine million, one hundred twenty-three thousand, ninety-three".