2280723421 has 2 divisors, whose sum is σ = 2280723422. Its totient is φ = 2280723420.

The previous prime is 2280723407. The next prime is 2280723517. The reversal of 2280723421 is 1243270822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1841611396 + 439112025 = 42914^2 + 20955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280723421 - 2⁹ = 2280722909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2280726421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140361710 + 1140361711.

It is an arithmetic number, because the mean of its divisors is an integer number (1140361711).

Almost surely, 2^2280723421 is an apocalyptic number.

It is an amenable number.

2280723421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280723421 is an equidigital number, since it uses as much as digits as its factorization.

2280723421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2280723421 is about 47756.9201372953. The cubic root of 2280723421 is about 1316.3080606971.

The spelling of 2280723421 in words is "two billion, two hundred eighty million, seven hundred twenty-three thousand, four hundred twenty-one".