2351320443 has 6 divisors (see below), whose sum is σ = 3396351764. Its totient is φ = 1567546956.

The previous prime is 2351320427. The next prime is 2351320463. The reversal of 2351320443 is 3440231532.

2351320443 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2351320443 - 2⁴ = 2351320427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351320463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130628905 + ... + 130628922.

Almost surely, 2^2351320443 is an apocalyptic number.

2351320443 is a deficient number, since it is larger than the sum of its proper divisors (1045031321).

2351320443 is a wasteful number, since it uses less digits than its factorization.

2351320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261257833 (or 261257830 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2351320443 is about 48490.4159912039. The cubic root of 2351320443 is about 1329.7518603535.

Adding to 2351320443 its reverse (3440231532), we get a palindrome (5791551975).

It can be divided in two parts, 23513 and 20443, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 2351320443 in words is "two billion, three hundred fifty-one million, three hundred twenty thousand, four hundred forty-three".