623573385 has 16 divisors (see below), whose sum is σ = 1004076096. Its totient is φ = 330452928.

The previous prime is 623573383. The next prime is 623573389. The reversal of 623573385 is 583375326.

It is a happy number.

623573385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623573385 - 2¹ = 623573383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623573381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130039 + ... + 134748.

It is an arithmetic number, because the mean of its divisors is an integer number (62754756).

Almost surely, 2^623573385 is an apocalyptic number.

It is an amenable number.

623573385 is a deficient number, since it is larger than the sum of its proper divisors (380502711).

623573385 is a wasteful number, since it uses less digits than its factorization.

623573385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264952.

The product of its digits is 453600, while the sum is 42.

The square root of 623573385 is about 24971.4513995482. The cubic root of 623573385 is about 854.3369504593.

The spelling of 623573385 in words is "six hundred twenty-three million, five hundred seventy-three thousand, three hundred eighty-five".