4921430312823 has 16 divisors (see below), whose sum is σ = 6636306924000. Its totient is φ = 3243761072640.

The previous prime is 4921430312819. The next prime is 4921430312857. The reversal of 4921430312823 is 3282130341294.

It is not a de Polignac number, because 4921430312823 - 2² = 4921430312819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921430312803) 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, 1730043 + ... + 3582723.

It is an arithmetic number, because the mean of its divisors is an integer number (414769182750).

Almost surely, 2^{4921430312823} is an apocalyptic number.

4921430312823 is a deficient number, since it is larger than the sum of its proper divisors (1714876611177).

4921430312823 is a wasteful number, since it uses less digits than its factorization.

4921430312823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862722.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 4921430312823 in words is "four trillion, nine hundred twenty-one billion, four hundred thirty million, three hundred twelve thousand, eight hundred twenty-three".