223450239 has 4 divisors (see below), whose sum is σ = 297933656. Its totient is φ = 148966824.

The previous prime is 223450229. The next prime is 223450309. The reversal of 223450239 is 932054322.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 223450239 - 2⁵ = 223450207 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 (223450229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37241704 + ... + 37241709.

It is an arithmetic number, because the mean of its divisors is an integer number (74483414).

Almost surely, 2^223450239 is an apocalyptic number.

223450239 is a deficient number, since it is larger than the sum of its proper divisors (74483417).

223450239 is an equidigital number, since it uses as much as digits as its factorization.

223450239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74483416.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 223450239 is about 14948.2520382819. The cubic root of 223450239 is about 606.8205426537.

The spelling of 223450239 in words is "two hundred twenty-three million, four hundred fifty thousand, two hundred thirty-nine".