623430493 has 8 divisors (see below), whose sum is σ = 720498240. Its totient is φ = 528364320.

The previous prime is 623430473. The next prime is 623430497. The reversal of 623430493 is 394034326.

623430493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623430493 - 2²⁹ = 86559581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623430497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499723 + ... + 500968.

It is an arithmetic number, because the mean of its divisors is an integer number (90062280).

Almost surely, 2^623430493 is an apocalyptic number.

It is an amenable number.

623430493 is a deficient number, since it is larger than the sum of its proper divisors (97067747).

623430493 is a wasteful number, since it uses less digits than its factorization.

623430493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000787.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 623430493 is about 24968.5901283993. The cubic root of 623430493 is about 854.2716882975.

The spelling of 623430493 in words is "six hundred twenty-three million, four hundred thirty thousand, four hundred ninety-three".