51432202423 has 32 divisors (see below), whose sum is σ = 60336783360. Its totient is φ = 42935724000.

The previous prime is 51432202421. The next prime is 51432202429. The reversal of 51432202423 is 32420223415.

It is a cyclic number.

It is not a de Polignac number, because 51432202423 - 2¹ = 51432202421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51432202391 and 51432202400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51432202421) 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, 14850190 + ... + 14853652.

It is an arithmetic number, because the mean of its divisors is an integer number (1885524480).

Almost surely, 2^51432202423 is an apocalyptic number.

51432202423 is a deficient number, since it is larger than the sum of its proper divisors (8904580937).

51432202423 is a wasteful number, since it uses less digits than its factorization.

51432202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 51432202423 its reverse (32420223415), we get a palindrome (83852425838).

The spelling of 51432202423 in words is "fifty-one billion, four hundred thirty-two million, two hundred two thousand, four hundred twenty-three".