289377423 has 12 divisors (see below), whose sum is σ = 422129448. Its totient is φ = 191007600.

The previous prime is 289377397. The next prime is 289377479. The reversal of 289377423 is 324773982.

It is not a de Polignac number, because 289377423 - 2⁹ = 289376911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289377493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158265 + ... + 160082.

It is an arithmetic number, because the mean of its divisors is an integer number (35177454).

Almost surely, 2^289377423 is an apocalyptic number.

289377423 is a deficient number, since it is larger than the sum of its proper divisors (132752025).

289377423 is a wasteful number, since it uses less digits than its factorization.

289377423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318454 (or 318451 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 289377423 is about 17011.0970545700. The cubic root of 289377423 is about 661.4365884132.

The spelling of 289377423 in words is "two hundred eighty-nine million, three hundred seventy-seven thousand, four hundred twenty-three".