223432331 has 4 divisors (see below), whose sum is σ = 224491464. Its totient is φ = 222373200.

The previous prime is 223432291. The next prime is 223432357. The reversal of 223432331 is 133234322.

223432331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 223432331 - 2²² = 219238027 is a prime.

It is a super-2 number, since 2×223432331² = 99844013072187122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223432297 and 223432306.

It is not an unprimeable number, because it can be changed into a prime (223432931) 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, 529250 + ... + 529671.

It is an arithmetic number, because the mean of its divisors is an integer number (56122866).

Almost surely, 2^223432331 is an apocalyptic number.

223432331 is a deficient number, since it is larger than the sum of its proper divisors (1059133).

223432331 is a wasteful number, since it uses less digits than its factorization.

223432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059132.

The product of its digits is 2592, while the sum is 23.

The square root of 223432331 is about 14947.6530264788. The cubic root of 223432331 is about 606.8043313894.

Adding to 223432331 its reverse (133234322), we get a palindrome (356666653).

The spelling of 223432331 in words is "two hundred twenty-three million, four hundred thirty-two thousand, three hundred thirty-one".