10623551 has 16 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 9803520.

The previous prime is 10623511. The next prime is 10623553. The reversal of 10623551 is 15532601.

10623551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10623551 is a prime.

It is a super-2 number, since 2×10623551² = 225719671699202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10623553) 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, 71225 + ... + 71373.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^10623551 is an apocalyptic number.

10623551 is a deficient number, since it is larger than the sum of its proper divisors (867649).

10623551 is a wasteful number, since it uses less digits than its factorization.

10623551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10623551 is about 3259.3789285691. The cubic root of 10623551 is about 219.8314894184.

The spelling of 10623551 in words is "ten million, six hundred twenty-three thousand, five hundred fifty-one".