253400453103 has 16 divisors (see below), whose sum is σ = 386141600000. Its totient is φ = 144797417856.

The previous prime is 253400453101. The next prime is 253400453143. The reversal of 253400453103 is 301354004352.

It is not a de Polignac number, because 253400453103 - 2¹ = 253400453101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253400453101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478148 + ... + 1640646.

It is an arithmetic number, because the mean of its divisors is an integer number (24133850000).

Almost surely, 2^253400453103 is an apocalyptic number.

253400453103 is a deficient number, since it is larger than the sum of its proper divisors (132741146897).

253400453103 is a wasteful number, since it uses less digits than its factorization.

253400453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236766.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 253400453103 its reverse (301354004352), we get a palindrome (554754457455).

The spelling of 253400453103 in words is "two hundred fifty-three billion, four hundred million, four hundred fifty-three thousand, one hundred three".