254245123 has 4 divisors (see below), whose sum is σ = 277358328. Its totient is φ = 231131920.

The previous prime is 254245087. The next prime is 254245127. The reversal of 254245123 is 321542452.

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 254245123 - 2⁹ = 254244611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254245091 and 254245100.

It is not an unprimeable number, because it can be changed into a prime (254245127) 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, 11556586 + ... + 11556607.

It is an arithmetic number, because the mean of its divisors is an integer number (69339582).

Almost surely, 2^254245123 is an apocalyptic number.

254245123 is a deficient number, since it is larger than the sum of its proper divisors (23113205).

254245123 is a wasteful number, since it uses less digits than its factorization.

254245123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23113204.

The product of its digits is 9600, while the sum is 28.

The square root of 254245123 is about 15945.0657885128. The cubic root of 254245123 is about 633.5062107626.

Adding to 254245123 its reverse (321542452), we get a palindrome (575787575).

The spelling of 254245123 in words is "two hundred fifty-four million, two hundred forty-five thousand, one hundred twenty-three".