1009923 has 8 divisors (see below), whose sum is σ = 1353408. Its totient is φ = 669864.

The previous prime is 1009909. The next prime is 1009927. The reversal of 1009923 is 3299001.

It is a happy number.

1009923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1009923 - 2⁶ = 1009859 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1009893 and 1009902.

It is not an unprimeable number, because it can be changed into a prime (1009927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (169176).

2^1009923 is an apocalyptic number.

1009923 is a deficient number, since it is larger than the sum of its proper divisors (343485).

1009923 is a wasteful number, since it uses less digits than its factorization.

1009923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1009923 is about 1004.9492524501. The cubic root of 1009923 is about 100.3296785925.

The spelling of 1009923 in words is "one million, nine thousand, nine hundred twenty-three".