289922335923 has 54 divisors (see below), whose sum is σ = 433127938852. Its totient is φ = 172371752080.

The previous prime is 289922335921. The next prime is 289922335949. The reversal of 289922335923 is 329533229982.

It is not a de Polignac number, because 289922335923 - 2¹ = 289922335921 is a prime.

It is a super-4 number, since 4×289922335923⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289922335921) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 605265598 + ... + 605266076.

Almost surely, 2^289922335923 is an apocalyptic number.

289922335923 is a deficient number, since it is larger than the sum of its proper divisors (143205602929).

289922335923 is an frugal number, since it uses more digits than its factorization.

289922335923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 552 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 57.

The spelling of 289922335923 in words is "two hundred eighty-nine billion, nine hundred twenty-two million, three hundred thirty-five thousand, nine hundred twenty-three".