51423231828223 has 4 divisors (see below), whose sum is σ = 51545960305560. Its totient is φ = 51300503350888.

The previous prime is 51423231828217. The next prime is 51423231828271. The reversal of 51423231828223 is 32282813232415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51423231828223 - 2⁵ = 51423231828191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51423231828823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61364238040 + ... + 61364238877.

It is an arithmetic number, because the mean of its divisors is an integer number (12886490076390).

Almost surely, 2^{51423231828223} is an apocalyptic number.

51423231828223 is a deficient number, since it is larger than the sum of its proper divisors (122728477337).

51423231828223 is a wasteful number, since it uses less digits than its factorization.

51423231828223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122728477336.

The product of its digits is 1105920, while the sum is 46.

The spelling of 51423231828223 in words is "fifty-one trillion, four hundred twenty-three billion, two hundred thirty-one million, eight hundred twenty-eight thousand, two hundred twenty-three".