223452623 has 2 divisors, whose sum is σ = 223452624. Its totient is φ = 223452622.

The previous prime is 223452547. The next prime is 223452637. The reversal of 223452623 is 326254322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223452623 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223452643) 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, 111726311 + 111726312.

It is an arithmetic number, because the mean of its divisors is an integer number (111726312).

Almost surely, 2^223452623 is an apocalyptic number.

223452623 is a deficient number, since it is larger than the sum of its proper divisors (1).

223452623 is an equidigital number, since it uses as much as digits as its factorization.

223452623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 29.

The square root of 223452623 is about 14948.3317798342. The cubic root of 223452623 is about 606.8227007106.

The spelling of 223452623 in words is "two hundred twenty-three million, four hundred fifty-two thousand, six hundred twenty-three".