902023 has 4 divisors (see below), whose sum is σ = 926440. Its totient is φ = 877608.

The previous prime is 902017. The next prime is 902029. The reversal of 902023 is 320209.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (902017) and next prime (902029).

It is a cyclic number.

It is not a de Polignac number, because 902023 - 2¹⁷ = 770951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901988 and 902006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12153 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (231610).

2⁹⁰²⁰²³ is an apocalyptic number.

902023 is a deficient number, since it is larger than the sum of its proper divisors (24417).

902023 is a wasteful number, since it uses less digits than its factorization.

902023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24416.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 902023 is about 949.7489141873. The cubic root of 902023 is about 96.6212245127.

The spelling of 902023 in words is "nine hundred two thousand, twenty-three".