902423 has 4 divisors (see below), whose sum is σ = 915960. Its totient is φ = 888888.

The previous prime is 902413. The next prime is 902437. The reversal of 902423 is 324209.

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

It is a cyclic number.

It is not a de Polignac number, because 902423 - 2¹⁰ = 901399 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 902395 and 902404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902413) 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, 6668 + ... + 6801.

It is an arithmetic number, because the mean of its divisors is an integer number (228990).

2⁹⁰²⁴²³ is an apocalyptic number.

902423 is a deficient number, since it is larger than the sum of its proper divisors (13537).

902423 is a wasteful number, since it uses less digits than its factorization.

902423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 902423 is about 949.9594728198. The cubic root of 902423 is about 96.6355045545.

The spelling of 902423 in words is "nine hundred two thousand, four hundred twenty-three".