223653431 has 2 divisors, whose sum is σ = 223653432. Its totient is φ = 223653430.

The previous prime is 223653421. The next prime is 223653461. The reversal of 223653431 is 134356322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223653431 - 2¹⁴ = 223637047 is a prime.

It is a super-2 number, since 2×223653431² = 100041714396143522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 223653394 and 223653403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223653421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111826715 + 111826716.

It is an arithmetic number, because the mean of its divisors is an integer number (111826716).

Almost surely, 2^223653431 is an apocalyptic number.

223653431 is a deficient number, since it is larger than the sum of its proper divisors (1).

223653431 is an equidigital number, since it uses as much as digits as its factorization.

223653431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 223653431 is about 14955.0470076159. The cubic root of 223653431 is about 607.0044221085.

The spelling of 223653431 in words is "two hundred twenty-three million, six hundred fifty-three thousand, four hundred thirty-one".