51343723620323 has 16 divisors (see below), whose sum is σ = 53533554048000. Its totient is φ = 49181866900992.

The previous prime is 51343723620289. The next prime is 51343723620341. The reversal of 51343723620323 is 32302632734315.

It is not a de Polignac number, because 51343723620323 - 2⁸ = 51343723620067 is a prime.

It is a super-2 number, since 2×51343723620323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343773620323) 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, 216769823 + ... + 217006551.

It is an arithmetic number, because the mean of its divisors is an integer number (3345847128000).

Almost surely, 2^{51343723620323} is an apocalyptic number.

51343723620323 is a deficient number, since it is larger than the sum of its proper divisors (2189830427677).

51343723620323 is a wasteful number, since it uses less digits than its factorization.

51343723620323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295774.

The product of its (nonzero) digits is 1632960, while the sum is 44.

The spelling of 51343723620323 in words is "fifty-one trillion, three hundred forty-three billion, seven hundred twenty-three million, six hundred twenty thousand, three hundred twenty-three".