168169023 has 24 divisors (see below), whose sum is σ = 267037056. Its totient is φ = 101134800.

The previous prime is 168169013. The next prime is 168169037. The reversal of 168169023 is 320961861.

It is a Cunningham number, because it is equal to 12968²-1.

It is not a de Polignac number, because 168169023 - 2¹⁰ = 168167999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168169013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6486 + ... + 19452.

It is an arithmetic number, because the mean of its divisors is an integer number (11126544).

Almost surely, 2^168169023 is an apocalyptic number.

168169023 is a deficient number, since it is larger than the sum of its proper divisors (98868033).

168169023 is a wasteful number, since it uses less digits than its factorization.

168169023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115 (or 13112 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 168169023 is about 12967.9999614436. Note that the first 4 decimals coincide. The cubic root of 168169023 is about 551.9698215228.

The spelling of 168169023 in words is "one hundred sixty-eight million, one hundred sixty-nine thousand, twenty-three".