2313720 has 48 divisors (see below), whose sum is σ = 7520760. Its totient is φ = 616896.

The previous prime is 2313679. The next prime is 2313767. The reversal of 2313720 is 273132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2313693 and 2313702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2854 + ... + 3573.

2^2313720 is an apocalyptic number.

2313720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313720 is an abundant number, since it is smaller than the sum of its proper divisors (5207040).

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

2313720 is a wasteful number, since it uses less digits than its factorization.

2313720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2313720 is about 1521.0917132113. The cubic root of 2313720 is about 132.2625627864.

Adding to 2313720 its reverse (273132), we get a palindrome (2586852).

The spelling of 2313720 in words is "two million, three hundred thirteen thousand, seven hundred twenty".