2320730261 has 4 divisors (see below), whose sum is σ = 2320830624. Its totient is φ = 2320629900.

The previous prime is 2320730219. The next prime is 2320730263. The reversal of 2320730261 is 1620370232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320730261 is a prime.

It is a super-2 number, since 2×2320730261² = 10771577888642256242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2320730261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320730263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016 + ... + 68246.

It is an arithmetic number, because the mean of its divisors is an integer number (580207656).

Almost surely, 2^2320730261 is an apocalyptic number.

It is an amenable number.

2320730261 is a deficient number, since it is larger than the sum of its proper divisors (100363).

2320730261 is an equidigital number, since it uses as much as digits as its factorization.

2320730261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100362.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2320730261 is about 48173.9583281258. The cubic root of 2320730261 is about 1323.9600737390.

The spelling of 2320730261 in words is "two billion, three hundred twenty million, seven hundred thirty thousand, two hundred sixty-one".