723421202124323 has 16 divisors (see below), whose sum is σ = 739696489958400. Its totient is φ = 707323971594240.

The previous prime is 723421202124307. The next prime is 723421202124377. The reversal of 723421202124323 is 323421202124327.

It is a cyclic number.

It is not a de Polignac number, because 723421202124323 - 2⁴ = 723421202124307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723421202124223) 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, 1443326468 + ... + 1443827598.

It is an arithmetic number, because the mean of its divisors is an integer number (46231030622400).

Almost surely, 2^{723421202124323} is an apocalyptic number.

723421202124323 is a deficient number, since it is larger than the sum of its proper divisors (16275287834077).

723421202124323 is a wasteful number, since it uses less digits than its factorization.

723421202124323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678722.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 723421202124323 in words is "seven hundred twenty-three trillion, four hundred twenty-one billion, two hundred two million, one hundred twenty-four thousand, three hundred twenty-three".