10021002323 has 4 divisors (see below), whose sum is σ = 10190849880. Its totient is φ = 9851154768.

The previous prime is 10021002311. The next prime is 10021002353. The reversal of 10021002323 is 32320012001.

It is a happy number.

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 10021002323 - 2¹⁸ = 10020740179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021002298 and 10021002307.

It is not an unprimeable number, because it can be changed into a prime (10021002353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84923690 + ... + 84923807.

It is an arithmetic number, because the mean of its divisors is an integer number (2547712470).

Almost surely, 2^10021002323 is an apocalyptic number.

10021002323 is a deficient number, since it is larger than the sum of its proper divisors (169847557).

10021002323 is an equidigital number, since it uses as much as digits as its factorization.

10021002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169847556.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10021002323 its reverse (32320012001), we get a palindrome (42341014324).

The spelling of 10021002323 in words is "ten billion, twenty-one million, two thousand, three hundred twenty-three".