10621623 has 16 divisors (see below), whose sum is σ = 14723072. Its totient is φ = 6804000.

The previous prime is 10621621. The next prime is 10621643. The reversal of 10621623 is 32612601.

It is a happy number.

It is not a de Polignac number, because 10621623 - 2¹ = 10621621 is a prime.

It is a super-2 number, since 2×10621623² = 225637750308258, which contains 22 as substring.

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 10621623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16518 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (920192).

Almost surely, 2^10621623 is an apocalyptic number.

10621623 is a deficient number, since it is larger than the sum of its proper divisors (4101449).

10621623 is a wasteful number, since it uses less digits than its factorization.

10621623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10621623 is about 3259.0831532810. The cubic root of 10621623 is about 219.8181900124.

The spelling of 10621623 in words is "ten million, six hundred twenty-one thousand, six hundred twenty-three".