123692985273 has 64 divisors (see below), whose sum is σ = 196305822720. Its totient is φ = 68290387200.

The previous prime is 123692985271. The next prime is 123692985307. The reversal of 123692985273 is 372589296321.

It is a happy number.

It is not a de Polignac number, because 123692985273 - 2¹ = 123692985271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123692985271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54513183 + ... + 54515451.

It is an arithmetic number, because the mean of its divisors is an integer number (3067278480).

Almost surely, 2^123692985273 is an apocalyptic number.

123692985273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123692985273 is a deficient number, since it is larger than the sum of its proper divisors (72612837447).

123692985273 is a wasteful number, since it uses less digits than its factorization.

123692985273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910.

The product of its digits is 9797760, while the sum is 57.

The spelling of 123692985273 in words is "one hundred twenty-three billion, six hundred ninety-two million, nine hundred eighty-five thousand, two hundred seventy-three".