223632623 has 2 divisors, whose sum is σ = 223632624. Its totient is φ = 223632622.

The previous prime is 223632613. The next prime is 223632677. The reversal of 223632623 is 326236322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223632623 - 2¹² = 223628527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223632613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111816311 + 111816312.

It is an arithmetic number, because the mean of its divisors is an integer number (111816312).

Almost surely, 2^223632623 is an apocalyptic number.

223632623 is a deficient number, since it is larger than the sum of its proper divisors (1).

223632623 is an equidigital number, since it uses as much as digits as its factorization.

223632623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

The square root of 223632623 is about 14954.3513065596. The cubic root of 223632623 is about 606.9855969413.

Adding to 223632623 its reverse (326236322), we get a palindrome (549868945).

The spelling of 223632623 in words is "two hundred twenty-three million, six hundred thirty-two thousand, six hundred twenty-three".