223055431 has 2 divisors, whose sum is σ = 223055432. Its totient is φ = 223055430.

The previous prime is 223055423. The next prime is 223055471. The reversal of 223055431 is 134550322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223055431 - 2³ = 223055423 is a prime.

It is a super-2 number, since 2×223055431² = 99507450597191522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223055396 and 223055405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223055471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111527715 + 111527716.

It is an arithmetic number, because the mean of its divisors is an integer number (111527716).

Almost surely, 2^223055431 is an apocalyptic number.

223055431 is a deficient number, since it is larger than the sum of its proper divisors (1).

223055431 is an equidigital number, since it uses as much as digits as its factorization.

223055431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 223055431 is about 14935.0403749036. The cubic root of 223055431 is about 606.4629405233.

The spelling of 223055431 in words is "two hundred twenty-three million, fifty-five thousand, four hundred thirty-one".