289435713123 has 16 divisors (see below), whose sum is σ = 393246018720. Its totient is φ = 189292207104.

The previous prime is 289435713059. The next prime is 289435713131. The reversal of 289435713123 is 321317534982.

It is not a de Polignac number, because 289435713123 - 2⁶ = 289435713059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289435713173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174323 + ... + 1399251.

It is an arithmetic number, because the mean of its divisors is an integer number (24577876170).

Almost surely, 2^289435713123 is an apocalyptic number.

289435713123 is a deficient number, since it is larger than the sum of its proper divisors (103810305597).

289435713123 is a wasteful number, since it uses less digits than its factorization.

289435713123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233078.

The product of its digits is 1088640, while the sum is 48.

The spelling of 289435713123 in words is "two hundred eighty-nine billion, four hundred thirty-five million, seven hundred thirteen thousand, one hundred twenty-three".