10323213140 has 12 divisors (see below), whose sum is σ = 21678747636. Its totient is φ = 4129285248.

The previous prime is 10323213113. The next prime is 10323213179. The reversal of 10323213140 is 4131232301.

It can be written as a sum of positive squares in 2 ways, for example, as 2525263504 + 7797949636 = 50252^2 + 88306^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 516160657 = 10323213140 / (1 + 0 + 3 + 2 + 3 + 2 + 1 + 3 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258080309 + ... + 258080348.

It is an arithmetic number, because the mean of its divisors is an integer number (1806562303).

Almost surely, 2^10323213140 is an apocalyptic number.

10323213140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10323213140 is an abundant number, since it is smaller than the sum of its proper divisors (11355534496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10323213140 is a wasteful number, since it uses less digits than its factorization.

10323213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516160666 (or 516160664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10323213140 its reverse (4131232301), we get a palindrome (14454445441).

The spelling of 10323213140 in words is "ten billion, three hundred twenty-three million, two hundred thirteen thousand, one hundred forty".