254408923 has 4 divisors (see below), whose sum is σ = 256029520. Its totient is φ = 252788328.

The previous prime is 254408897. The next prime is 254408939. The reversal of 254408923 is 329804452.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254408923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254408953) 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, 810063 + ... + 810376.

It is an arithmetic number, because the mean of its divisors is an integer number (64007380).

Almost surely, 2^254408923 is an apocalyptic number.

254408923 is a deficient number, since it is larger than the sum of its proper divisors (1620597).

254408923 is a wasteful number, since it uses less digits than its factorization.

254408923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620596.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 254408923 is about 15950.2013466915. The cubic root of 254408923 is about 633.6422291576.

The spelling of 254408923 in words is "two hundred fifty-four million, four hundred eight thousand, nine hundred twenty-three".