623332105 has 24 divisors (see below), whose sum is σ = 830401992. Its totient is φ = 448844000.

The previous prime is 623332091. The next prime is 623332111. The reversal of 623332105 is 501233326.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 325838601 + 297493504 = 18051^2 + 17248^2 .

It is not a de Polignac number, because 623332105 - 2²¹ = 621234953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623332105.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6171555 + ... + 6171655.

It is an arithmetic number, because the mean of its divisors is an integer number (34600083).

Almost surely, 2^623332105 is an apocalyptic number.

It is an amenable number.

623332105 is a deficient number, since it is larger than the sum of its proper divisors (207069887).

623332105 is an frugal number, since it uses more digits than its factorization.

623332105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 623332105 is about 24966.6198152653. The cubic root of 623332105 is about 854.2267463696.

The spelling of 623332105 in words is "six hundred twenty-three million, three hundred thirty-two thousand, one hundred five".