423250643 has 4 divisors (see below), whose sum is σ = 423718200. Its totient is φ = 422783088.

The previous prime is 423250613. The next prime is 423250699. The reversal of 423250643 is 346052324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423250643 - 2⁶ = 423250579 is a prime.

It is a super-2 number, since 2×423250643² = 358282213599826898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423250603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232418 + ... + 234231.

It is an arithmetic number, because the mean of its divisors is an integer number (105929550).

Almost surely, 2^423250643 is an apocalyptic number.

423250643 is a deficient number, since it is larger than the sum of its proper divisors (467557).

423250643 is an equidigital number, since it uses as much as digits as its factorization.

423250643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467556.

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

The square root of 423250643 is about 20573.0562386827. The cubic root of 423250643 is about 750.8143113945.

The spelling of 423250643 in words is "four hundred twenty-three million, two hundred fifty thousand, six hundred forty-three".