254404023 has 4 divisors (see below), whose sum is σ = 339205368. Its totient is φ = 169602680.

The previous prime is 254404021. The next prime is 254404049. The reversal of 254404023 is 320404452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254404023 - 2¹ = 254404021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254403984 and 254404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254404021) 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, 42400668 + ... + 42400673.

It is an arithmetic number, because the mean of its divisors is an integer number (84801342).

Almost surely, 2^254404023 is an apocalyptic number.

254404023 is a deficient number, since it is larger than the sum of its proper divisors (84801345).

254404023 is an equidigital number, since it uses as much as digits as its factorization.

254404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84801344.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 254404023 is about 15950.0477428753. The cubic root of 254404023 is about 633.6381610785.

Adding to 254404023 its reverse (320404452), we get a palindrome (574808475).

The spelling of 254404023 in words is "two hundred fifty-four million, four hundred four thousand, twenty-three".