633023489 has 4 divisors (see below), whose sum is σ = 723455424. Its totient is φ = 542591556.

The previous prime is 633023473. The next prime is 633023497. The reversal of 633023489 is 984320336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 633023489 - 2⁴ = 633023473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633023189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45215957 + ... + 45215970.

It is an arithmetic number, because the mean of its divisors is an integer number (180863856).

Almost surely, 2^633023489 is an apocalyptic number.

It is an amenable number.

633023489 is a deficient number, since it is larger than the sum of its proper divisors (90431935).

633023489 is an equidigital number, since it uses as much as digits as its factorization.

633023489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90431934.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 633023489 is about 25159.9580484547. The cubic root of 633023489 is about 858.6310874561.

The spelling of 633023489 in words is "six hundred thirty-three million, twenty-three thousand, four hundred eighty-nine".