168255023 has 4 divisors (see below), whose sum is σ = 170766360. Its totient is φ = 165743688.

The previous prime is 168254981. The next prime is 168255037. The reversal of 168255023 is 320552861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320552861 = 643 ⋅498527.

It is a cyclic number.

It is not a de Polignac number, because 168255023 - 2¹⁶ = 168189487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168255083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255568 + ... + 1255701.

It is an arithmetic number, because the mean of its divisors is an integer number (42691590).

Almost surely, 2^168255023 is an apocalyptic number.

168255023 is a deficient number, since it is larger than the sum of its proper divisors (2511337).

168255023 is an equidigital number, since it uses as much as digits as its factorization.

168255023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511336.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 168255023 is about 12971.3153920487. The cubic root of 168255023 is about 552.0638961514.

The spelling of 168255023 in words is "one hundred sixty-eight million, two hundred fifty-five thousand, twenty-three".