223029999 has 24 divisors (see below), whose sum is σ = 339996800. Its totient is φ = 140492880.

The previous prime is 223029991. The next prime is 223030007. The reversal of 223029999 is 999920322.

It is an interprime number because it is at equal distance from previous prime (223029991) and next prime (223030007).

It is not a de Polignac number, because 223029999 - 2³ = 223029991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223029991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73584 + ... + 76554.

Almost surely, 2^223029999 is an apocalyptic number.

223029999 is a deficient number, since it is larger than the sum of its proper divisors (116966801).

223029999 is a wasteful number, since it uses less digits than its factorization.

223029999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 223029999 is about 14934.1889301026. The cubic root of 223029999 is about 606.4398907196.

The spelling of 223029999 in words is "two hundred twenty-three million, twenty-nine thousand, nine hundred ninety-nine".