223898831 has 8 divisors (see below), whose sum is σ = 253812720. Its totient is φ = 195797952.

The previous prime is 223898809. The next prime is 223898839. The reversal of 223898831 is 138898322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223898831 is a prime.

It is a super-2 number, since 2×223898831² = 100261373046333122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223898839) 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, 452990 + ... + 453483.

It is an arithmetic number, because the mean of its divisors is an integer number (31726590).

Almost surely, 2^223898831 is an apocalyptic number.

223898831 is a deficient number, since it is larger than the sum of its proper divisors (29913889).

223898831 is a wasteful number, since it uses less digits than its factorization.

223898831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906505.

The product of its digits is 165888, while the sum is 44.

The square root of 223898831 is about 14963.2493463151. The cubic root of 223898831 is about 607.2263494551.

The spelling of 223898831 in words is "two hundred twenty-three million, eight hundred ninety-eight thousand, eight hundred thirty-one".