10023309 has 6 divisors (see below), whose sum is σ = 14478126. Its totient is φ = 6682200.

The previous prime is 10023287. The next prime is 10023347. The reversal of 10023309 is 90332001.

10023309 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10017225 + 6084 = 3165^2 + 78^2 .

It is not a de Polignac number, because 10023309 - 2⁸ = 10023053 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10023291 and 10023300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023389) 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, 556842 + ... + 556859.

It is an arithmetic number, because the mean of its divisors is an integer number (2413021).

Almost surely, 2^10023309 is an apocalyptic number.

It is an amenable number.

10023309 is a deficient number, since it is larger than the sum of its proper divisors (4454817).

10023309 is a wasteful number, since it uses less digits than its factorization.

10023309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113707 (or 1113704 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 10023309 is about 3165.9609915474. The cubic root of 10023309 is about 215.6107315070.

It can be divided in two parts, 100 and 23309, that added together give a square (23409 = 153²).

The spelling of 10023309 in words is "ten million, twenty-three thousand, three hundred nine".