10320123021 has 8 divisors (see below), whose sum is σ = 14818638240. Its totient is φ = 6350844912.

The previous prime is 10320123017. The next prime is 10320123041. The reversal of 10320123021 is 12032102301.

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

It is not a de Polignac number, because 10320123021 - 2² = 10320123017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320123041) 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, 132309231 + ... + 132309308.

It is an arithmetic number, because the mean of its divisors is an integer number (1852329780).

Almost surely, 2^10320123021 is an apocalyptic number.

It is an amenable number.

10320123021 is a deficient number, since it is larger than the sum of its proper divisors (4498515219).

10320123021 is a wasteful number, since it uses less digits than its factorization.

10320123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264618555.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10320123021 its reverse (12032102301), we get a palindrome (22352225322).

The spelling of 10320123021 in words is "ten billion, three hundred twenty million, one hundred twenty-three thousand, twenty-one".