254423123 has 2 divisors, whose sum is σ = 254423124. Its totient is φ = 254423122.

The previous prime is 254423089. The next prime is 254423149. The reversal of 254423123 is 321324452.

It is an a-pointer prime, because the next prime (254423149) can be obtained adding 254423123 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254423123 - 2¹⁸ = 254160979 is a prime.

It is a super-2 number, since 2×254423123² = 129462251034146258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254423092 and 254423101.

It is not a weakly prime, because it can be changed into another prime (254423023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127211561 + 127211562.

It is an arithmetic number, because the mean of its divisors is an integer number (127211562).

Almost surely, 2^254423123 is an apocalyptic number.

254423123 is a deficient number, since it is larger than the sum of its proper divisors (1).

254423123 is an equidigital number, since it uses as much as digits as its factorization.

254423123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 254423123 is about 15950.6464759269. The cubic root of 254423123 is about 633.6540179897.

Adding to 254423123 its reverse (321324452), we get a palindrome (575747575).

The spelling of 254423123 in words is "two hundred fifty-four million, four hundred twenty-three thousand, one hundred twenty-three".