909023 has 2 divisors, whose sum is σ = 909024. Its totient is φ = 909022.

The previous prime is 909019. The next prime is 909031. The reversal of 909023 is 320909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 909023 - 2² = 909019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 909023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454511 + 454512.

It is an arithmetic number, because the mean of its divisors is an integer number (454512).

2⁹⁰⁹⁰²³ is an apocalyptic number.

909023 is a deficient number, since it is larger than the sum of its proper divisors (1).

909023 is an equidigital number, since it uses as much as digits as its factorization.

909023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 909023 is about 953.4269767528. The cubic root of 909023 is about 96.8705184191.

The spelling of 909023 in words is "nine hundred nine thousand, twenty-three".