431958223 has 2 divisors, whose sum is σ = 431958224. Its totient is φ = 431958222.

The previous prime is 431958203. The next prime is 431958227. The reversal of 431958223 is 322859134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431958223 - 2²¹ = 429861071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431958227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215979111 + 215979112.

It is an arithmetic number, because the mean of its divisors is an integer number (215979112).

Almost surely, 2^431958223 is an apocalyptic number.

431958223 is a deficient number, since it is larger than the sum of its proper divisors (1).

431958223 is an equidigital number, since it uses as much as digits as its factorization.

431958223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 431958223 is about 20783.6046681032. The cubic root of 431958223 is about 755.9282607617.

The spelling of 431958223 in words is "four hundred thirty-one million, nine hundred fifty-eight thousand, two hundred twenty-three".