253504004405123 has 4 divisors (see below), whose sum is σ = 253550340364608. Its totient is φ = 253457668445640.

The previous prime is 253504004405117. The next prime is 253504004405219. The reversal of 253504004405123 is 321504400405352.

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 253504004405123 - 2⁸ = 253504004404867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253504004405923) 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, 23167971536 + ... + 23167982477.

It is an arithmetic number, because the mean of its divisors is an integer number (63387585091152).

Almost surely, 2^{253504004405123} is an apocalyptic number.

253504004405123 is a deficient number, since it is larger than the sum of its proper divisors (46335959485).

253504004405123 is an equidigital number, since it uses as much as digits as its factorization.

253504004405123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46335959484.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 253504004405123 in words is "two hundred fifty-three trillion, five hundred four billion, four million, four hundred five thousand, one hundred twenty-three".