623423146 has 16 divisors (see below), whose sum is σ = 956512800. Its totient is φ = 304647088.

The previous prime is 623423137. The next prime is 623423149. The reversal of 623423146 is 641324326.

It is not an unprimeable number, because it can be changed into a prime (623423149) 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, 5145 + ... + 35683.

It is an arithmetic number, because the mean of its divisors is an integer number (59782050).

Almost surely, 2^623423146 is an apocalyptic number.

623423146 is a deficient number, since it is larger than the sum of its proper divisors (333089654).

623423146 is a wasteful number, since it uses less digits than its factorization.

623423146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30773.

The product of its digits is 20736, while the sum is 31.

The square root of 623423146 is about 24968.4430031190. The cubic root of 623423146 is about 854.2683324790.

The spelling of 623423146 in words is "six hundred twenty-three million, four hundred twenty-three thousand, one hundred forty-six".