253404124123 has 4 divisors (see below), whose sum is σ = 258795701280. Its totient is φ = 248012546968.

The previous prime is 253404124093. The next prime is 253404124151. The reversal of 253404124123 is 321421404352.

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 253404124123 - 2²¹ = 253402026971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253404124423) 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, 2695788508 + ... + 2695788601.

It is an arithmetic number, because the mean of its divisors is an integer number (64698925320).

Almost surely, 2^253404124123 is an apocalyptic number.

253404124123 is a deficient number, since it is larger than the sum of its proper divisors (5391577157).

253404124123 is an equidigital number, since it uses as much as digits as its factorization.

253404124123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391577156.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 253404124123 its reverse (321421404352), we get a palindrome (574825528475).

The spelling of 253404124123 in words is "two hundred fifty-three billion, four hundred four million, one hundred twenty-four thousand, one hundred twenty-three".