254213123 has 4 divisors (see below), whose sum is σ = 258521880. Its totient is φ = 249904368.

The previous prime is 254213107. The next prime is 254213137. The reversal of 254213123 is 321312452.

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 254213123 - 2⁴ = 254213107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254213023) 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, 2154290 + ... + 2154407.

It is an arithmetic number, because the mean of its divisors is an integer number (64630470).

Almost surely, 2^254213123 is an apocalyptic number.

254213123 is a deficient number, since it is larger than the sum of its proper divisors (4308757).

254213123 is an equidigital number, since it uses as much as digits as its factorization.

254213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308756.

The product of its digits is 1440, while the sum is 23.

The square root of 254213123 is about 15944.0623117197. The cubic root of 254213123 is about 633.4796313615.

Adding to 254213123 its reverse (321312452), we get a palindrome (575525575).

The spelling of 254213123 in words is "two hundred fifty-four million, two hundred thirteen thousand, one hundred twenty-three".