2320513140 has 192 divisors, whose sum is σ = 7292436480. Its totient is φ = 546524160.

The previous prime is 2320513061. The next prime is 2320513147. The reversal of 2320513140 is 413150232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320513147) 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, 7413624 + ... + 7413936.

It is an arithmetic number, because the mean of its divisors is an integer number (37981440).

Almost surely, 2^2320513140 is an apocalyptic number.

2320513140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320513140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3646218240).

2320513140 is an abundant number, since it is smaller than the sum of its proper divisors (4971923340).

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

2320513140 is a wasteful number, since it uses less digits than its factorization.

2320513140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2320513140 is about 48171.7047653495. The cubic root of 2320513140 is about 1323.9187837903.

Adding to 2320513140 its reverse (413150232), we get a palindrome (2733663372).

The spelling of 2320513140 in words is "two billion, three hundred twenty million, five hundred thirteen thousand, one hundred forty".