251314404423 has 16 divisors (see below), whose sum is σ = 352732848000. Its totient is φ = 158719992480.

The previous prime is 251314404421. The next prime is 251314404433. The reversal of 251314404423 is 324404413152.

It is not a de Polignac number, because 251314404423 - 2¹ = 251314404421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251314404421) 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, 3003153 + ... + 3085701.

It is an arithmetic number, because the mean of its divisors is an integer number (22045803000).

Almost surely, 2^251314404423 is an apocalyptic number.

251314404423 is a deficient number, since it is larger than the sum of its proper divisors (101418443577).

251314404423 is a wasteful number, since it uses less digits than its factorization.

251314404423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135982.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 251314404423 its reverse (324404413152), we get a palindrome (575718817575).

The spelling of 251314404423 in words is "two hundred fifty-one billion, three hundred fourteen million, four hundred four thousand, four hundred twenty-three".