254140023 has 8 divisors (see below), whose sum is σ = 338993136. Its totient is φ = 169356800.

The previous prime is 254140009. The next prime is 254140039. The reversal of 254140023 is 320041452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254140023 - 2⁶ = 254139959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254140063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8298 + ... + 24023.

It is an arithmetic number, because the mean of its divisors is an integer number (42374142).

Almost surely, 2^254140023 is an apocalyptic number.

254140023 is a deficient number, since it is larger than the sum of its proper divisors (84853113).

254140023 is a wasteful number, since it uses less digits than its factorization.

254140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34945.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 254140023 is about 15941.7697574642. The cubic root of 254140023 is about 633.4189056735.

Adding to 254140023 its reverse (320041452), we get a palindrome (574181475).

The spelling of 254140023 in words is "two hundred fifty-four million, one hundred forty thousand, twenty-three".