100623456 has 36 divisors (see below), whose sum is σ = 286148772. Its totient is φ = 33541056.

The previous prime is 100623451. The next prime is 100623469. The reversal of 100623456 is 654326001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100623451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174406 + ... + 174981.

It is an arithmetic number, because the mean of its divisors is an integer number (7948577).

Almost surely, 2^100623456 is an apocalyptic number.

100623456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100623456 is an abundant number, since it is smaller than the sum of its proper divisors (185525316).

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

100623456 is a wasteful number, since it uses less digits than its factorization.

100623456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349403 (or 349392 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 100623456 is about 10031.1243636992. The cubic root of 100623456 is about 465.1214944414.

Adding to 100623456 its reverse (654326001), we get a palindrome (754949457).

The spelling of 100623456 in words is "one hundred million, six hundred twenty-three thousand, four hundred fifty-six".