23878361640361 has 2 divisors, whose sum is σ = 23878361640362. Its totient is φ = 23878361640360.

The previous prime is 23878361640307. The next prime is 23878361640377. The reversal of 23878361640361 is 16304616387832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19505746073961 + 4372615566400 = 4416531^2 + 2091080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23878361640361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23878361640296 and 23878361640305.

It is not a weakly prime, because it can be changed into another prime (23878361640391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939180820180 + 11939180820181.

It is an arithmetic number, because the mean of its divisors is an integer number (11939180820181).

Almost surely, 2^{23878361640361} is an apocalyptic number.

It is an amenable number.

23878361640361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23878361640361 is an equidigital number, since it uses as much as digits as its factorization.

23878361640361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 23878361640361 in words is "twenty-three trillion, eight hundred seventy-eight billion, three hundred sixty-one million, six hundred forty thousand, three hundred sixty-one".