623041100 has 144 divisors (see below), whose sum is σ = 1545234432. Its totient is φ = 217800000.

The previous prime is 623041093. The next prime is 623041123. The reversal of 623041100 is 1140326.

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 47 ways as a sum of consecutive naturals, for example, 4126025 + ... + 4126175.

Almost surely, 2^623041100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623041100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772617216).

623041100 is an abundant number, since it is smaller than the sum of its proper divisors (922193332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623041100 is a wasteful number, since it uses less digits than its factorization.

623041100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 623041100 is about 24960.7912534839. The cubic root of 623041100 is about 854.0937926592.

Adding to 623041100 its reverse (1140326), we get a palindrome (624181426).

The spelling of 623041100 in words is "six hundred twenty-three million, forty-one thousand, one hundred".