254135023 has 8 divisors (see below), whose sum is σ = 269840160. Its totient is φ = 238513920.

The previous prime is 254135017. The next prime is 254135069. The reversal of 254135023 is 320531452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254135023 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 (254135083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14718 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (33730020).

Almost surely, 2^254135023 is an apocalyptic number.

254135023 is a deficient number, since it is larger than the sum of its proper divisors (15705137).

254135023 is a wasteful number, since it uses less digits than its factorization.

254135023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42017.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 254135023 is about 15941.6129359610. The cubic root of 254135023 is about 633.4147516442.

Adding to 254135023 its reverse (320531452), we get a palindrome (574666475).

The spelling of 254135023 in words is "two hundred fifty-four million, one hundred thirty-five thousand, twenty-three".