165154023 has 48 divisors (see below), whose sum is σ = 259983360. Its totient is φ = 100699200.

The previous prime is 165153991. The next prime is 165154049. The reversal of 165154023 is 320451561.

165154023 is a `hidden beast` number, since 1 + 651 + 5 + 4 + 0 + 2 + 3 = 666.

165154023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165154023 - 2⁵ = 165153991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165154063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 740490 + ... + 740712.

It is an arithmetic number, because the mean of its divisors is an integer number (5416320).

Almost surely, 2^165154023 is an apocalyptic number.

165154023 is a deficient number, since it is larger than the sum of its proper divisors (94829337).

165154023 is a wasteful number, since it uses less digits than its factorization.

165154023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 165154023 is about 12851.2265173407. The cubic root of 165154023 is about 548.6512660785.

The spelling of 165154023 in words is "one hundred sixty-five million, one hundred fifty-four thousand, twenty-three".