635264223 has 8 divisors (see below), whose sum is σ = 924020736. Its totient is φ = 385008600.

The previous prime is 635264171. The next prime is 635264239. The reversal of 635264223 is 322462536.

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

It is not a de Polignac number, because 635264223 - 2¹² = 635260127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 19250431 = 635264223 / (6 + 3 + 5 + 2 + 6 + 4 + 2 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635264263) 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, 9625183 + ... + 9625248.

It is an arithmetic number, because the mean of its divisors is an integer number (115502592).

Almost surely, 2^635264223 is an apocalyptic number.

635264223 is a deficient number, since it is larger than the sum of its proper divisors (288756513).

635264223 is a wasteful number, since it uses less digits than its factorization.

635264223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250445.

The product of its digits is 51840, while the sum is 33.

The square root of 635264223 is about 25204.4484764099. The cubic root of 635264223 is about 859.6430026284.

The spelling of 635264223 in words is "six hundred thirty-five million, two hundred sixty-four thousand, two hundred twenty-three".