690512223 has 8 divisors (see below), whose sum is σ = 936288000. Its totient is φ = 452538968.

The previous prime is 690512129. The next prime is 690512237. The reversal of 690512223 is 322215096.

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

It is not a de Polignac number, because 690512223 - 2⁹ = 690511711 is a prime.

It is a super-2 number, since 2×690512223² = 953614260224803458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690512293) 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, 1950423 + ... + 1950776.

It is an arithmetic number, because the mean of its divisors is an integer number (117036000).

Almost surely, 2^690512223 is an apocalyptic number.

690512223 is a deficient number, since it is larger than the sum of its proper divisors (245775777).

690512223 is a wasteful number, since it uses less digits than its factorization.

690512223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901261.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 690512223 is about 26277.5992624897. The cubic root of 690512223 is about 883.8741993714.

The spelling of 690512223 in words is "six hundred ninety million, five hundred twelve thousand, two hundred twenty-three".