52431403423 has 32 divisors (see below), whose sum is σ = 60770304000. Its totient is φ = 44311228416.

The previous prime is 52431403421. The next prime is 52431403447. The reversal of 52431403423 is 32430413425.

It is a happy number.

It is not a de Polignac number, because 52431403423 - 2¹ = 52431403421 is a prime.

It is a super-2 number, since 2×52431403423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52431403421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116773503 + ... + 116773951.

It is an arithmetic number, because the mean of its divisors is an integer number (1899072000).

Almost surely, 2^52431403423 is an apocalyptic number.

52431403423 is a deficient number, since it is larger than the sum of its proper divisors (8338900577).

52431403423 is a wasteful number, since it uses less digits than its factorization.

52431403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 52431403423 its reverse (32430413425), we get a palindrome (84861816848).

The spelling of 52431403423 in words is "fifty-two billion, four hundred thirty-one million, four hundred three thousand, four hundred twenty-three".