623342447 has 8 divisors (see below), whose sum is σ = 767190816. Its totient is φ = 493193952.

The previous prime is 623342411. The next prime is 623342453. The reversal of 623342447 is 744243326.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623342447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623342477) 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, 3424868 + ... + 3425049.

It is an arithmetic number, because the mean of its divisors is an integer number (95898852).

Almost surely, 2^623342447 is an apocalyptic number.

623342447 is a deficient number, since it is larger than the sum of its proper divisors (143848369).

623342447 is a wasteful number, since it uses less digits than its factorization.

623342447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849937.

The product of its digits is 96768, while the sum is 35.

The square root of 623342447 is about 24966.8269309498. The cubic root of 623342447 is about 854.2314706378.

The spelling of 623342447 in words is "six hundred twenty-three million, three hundred forty-two thousand, four hundred forty-seven".