254015045423 has 4 divisors (see below), whose sum is σ = 267384258360. Its totient is φ = 240645832488.

The previous prime is 254015045419. The next prime is 254015045441. The reversal of 254015045423 is 324540510452.

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 254015045423 - 2² = 254015045419 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 (254015045443) 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, 6684606440 + ... + 6684606477.

It is an arithmetic number, because the mean of its divisors is an integer number (66846064590).

Almost surely, 2^254015045423 is an apocalyptic number.

254015045423 is a deficient number, since it is larger than the sum of its proper divisors (13369212937).

254015045423 is a wasteful number, since it uses less digits than its factorization.

254015045423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369212936.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 254015045423 its reverse (324540510452), we get a palindrome (578555555875).

The spelling of 254015045423 in words is "two hundred fifty-four billion, fifteen million, forty-five thousand, four hundred twenty-three".