10323213021 has 64 divisors (see below), whose sum is σ = 16977991680. Its totient is φ = 6146928000.

The previous prime is 10323213013. The next prime is 10323213071. The reversal of 10323213021 is 12031232301.

10323213021 is a `hidden beast` number, since 10 + 32 + 321 + 302 + 1 = 666.

It is not a de Polignac number, because 10323213021 - 2³ = 10323213013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10323212985 and 10323213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10323213071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6742026 + ... + 6743556.

It is an arithmetic number, because the mean of its divisors is an integer number (265281120).

Almost surely, 2^10323213021 is an apocalyptic number.

10323213021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10323213021 is a deficient number, since it is larger than the sum of its proper divisors (6654778659).

10323213021 is a wasteful number, since it uses less digits than its factorization.

10323213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10323213021 its reverse (12031232301), we get a palindrome (22354445322).

It can be divided in two parts, 103 and 23213021, that added together give a square (23213124 = 4818²).

The spelling of 10323213021 in words is "ten billion, three hundred twenty-three million, two hundred thirteen thousand, twenty-one".