10623309 has 16 divisors (see below), whose sum is σ = 15292800. Its totient is φ = 6539456.

The previous prime is 10623259. The next prime is 10623313. The reversal of 10623309 is 90332601.

It is a cyclic number.

It is not a de Polignac number, because 10623309 - 2¹³ = 10615117 is a prime.

It is a super-2 number, since 2×10623309² = 225709388218962, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10623409) 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, 654 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (955800).

Almost surely, 2^10623309 is an apocalyptic number.

It is an amenable number.

10623309 is a deficient number, since it is larger than the sum of its proper divisors (4669491).

10623309 is a wasteful number, since it uses less digits than its factorization.

10623309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 10623309 is about 3259.3418047207. The cubic root of 10623309 is about 219.8298201829.

It can be divided in two parts, 1062 and 3309, that added together give a triangular number (4371 = T₉₃).

The spelling of 10623309 in words is "ten million, six hundred twenty-three thousand, three hundred nine".