223023851 has 8 divisors (see below), whose sum is σ = 226538208. Its totient is φ = 219520000.

The previous prime is 223023821. The next prime is 223023863. The reversal of 223023851 is 158320322.

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

It is a 10-Lehmer number, since φ(223023851) divides (223023851-1)¹⁰.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223023851 is a prime.

It is a super-2 number, since 2×223023851² = 99479276229740402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223023851.

It is not an unprimeable number, because it can be changed into a prime (223023821) 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, 47531 + ... + 52011.

It is an arithmetic number, because the mean of its divisors is an integer number (28317276).

Almost surely, 2^223023851 is an apocalyptic number.

223023851 is a deficient number, since it is larger than the sum of its proper divisors (3514357).

223023851 is an equidigital number, since it uses as much as digits as its factorization.

223023851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 223023851 is about 14933.9830922631. The cubic root of 223023851 is about 606.4343183351.

The spelling of 223023851 in words is "two hundred twenty-three million, twenty-three thousand, eight hundred fifty-one".