254996123 has 2 divisors, whose sum is σ = 254996124. Its totient is φ = 254996122.

The previous prime is 254996099. The next prime is 254996191. The reversal of 254996123 is 321699452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254996123 - 2²² = 250801819 is a prime.

It is a super-2 number, since 2×254996123² = 130046045490062258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (254996323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127498061 + 127498062.

It is an arithmetic number, because the mean of its divisors is an integer number (127498062).

Almost surely, 2^254996123 is an apocalyptic number.

254996123 is a deficient number, since it is larger than the sum of its proper divisors (1).

254996123 is an equidigital number, since it uses as much as digits as its factorization.

254996123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 254996123 is about 15968.5980286311. The cubic root of 254996123 is about 634.1293567549.

The spelling of 254996123 in words is "two hundred fifty-four million, nine hundred ninety-six thousand, one hundred twenty-three".