2307235745021 has 2 divisors, whose sum is σ = 2307235745022. Its totient is φ = 2307235745020.

The previous prime is 2307235744999. The next prime is 2307235745077. The reversal of 2307235745021 is 1205475327032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2283392988100 + 23842756921 = 1511090^2 + 154411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2307235745021 - 2²² = 2307231550717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2307235745021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2307234745021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153617872510 + 1153617872511.

It is an arithmetic number, because the mean of its divisors is an integer number (1153617872511).

Almost surely, 2^{2307235745021} is an apocalyptic number.

It is an amenable number.

2307235745021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2307235745021 is an equidigital number, since it uses as much as digits as its factorization.

2307235745021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 2307235745021 in words is "two trillion, three hundred seven billion, two hundred thirty-five million, seven hundred forty-five thousand, twenty-one".