2319821023 has 8 divisors (see below), whose sum is σ = 2505232800. Its totient is φ = 2135404128.

The previous prime is 2319820991. The next prime is 2319821029. The reversal of 2319821023 is 3201289132.

2319821023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2319821023 - 2⁵ = 2319820991 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 (2319821029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243868 + ... + 253201.

It is an arithmetic number, because the mean of its divisors is an integer number (313154100).

Almost surely, 2^2319821023 is an apocalyptic number.

2319821023 is a deficient number, since it is larger than the sum of its proper divisors (185411777).

2319821023 is a wasteful number, since it uses less digits than its factorization.

2319821023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497441.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2319821023 is about 48164.5203754797. The cubic root of 2319821023 is about 1323.7871465538.

The spelling of 2319821023 in words is "two billion, three hundred nineteen million, eight hundred twenty-one thousand, twenty-three".