51232401023 has 8 divisors (see below), whose sum is σ = 52131322656. Its totient is φ = 50338405600.

The previous prime is 51232400971. The next prime is 51232401043. The reversal of 51232401023 is 32010423215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51232401023 - 2¹² = 51232396927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51232401023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232401043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210568 + ... + 1252173.

It is an arithmetic number, because the mean of its divisors is an integer number (6516415332).

Almost surely, 2^51232401023 is an apocalyptic number.

51232401023 is a deficient number, since it is larger than the sum of its proper divisors (898921633).

51232401023 is a wasteful number, since it uses less digits than its factorization.

51232401023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463105.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 51232401023 its reverse (32010423215), we get a palindrome (83242824238).

The spelling of 51232401023 in words is "fifty-one billion, two hundred thirty-two million, four hundred one thousand, twenty-three".