2307768121 has 2 divisors, whose sum is σ = 2307768122. Its totient is φ = 2307768120.

The previous prime is 2307768109. The next prime is 2307768193. The reversal of 2307768121 is 1218677032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2048558121 + 259210000 = 45261^2 + 16100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2307768121 - 2²³ = 2299379513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2307568121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153884060 + 1153884061.

It is an arithmetic number, because the mean of its divisors is an integer number (1153884061).

Almost surely, 2^2307768121 is an apocalyptic number.

It is an amenable number.

2307768121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2307768121 is an equidigital number, since it uses as much as digits as its factorization.

2307768121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2307768121 is about 48039.2352249700. The cubic root of 2307768121 is about 1321.4905340887.

The spelling of 2307768121 in words is "two billion, three hundred seven million, seven hundred sixty-eight thousand, one hundred twenty-one".