23000205161 has 2 divisors, whose sum is σ = 23000205162. Its totient is φ = 23000205160.

The previous prime is 23000205127. The next prime is 23000205169. The reversal of 23000205161 is 16150200032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21684329536 + 1315875625 = 147256^2 + 36275^2 .

It is a cyclic number.

It is not a de Polignac number, because 23000205161 - 2³⁴ = 5820335977 is a prime.

It is not a weakly prime, because it can be changed into another prime (23000205169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500102580 + 11500102581.

It is an arithmetic number, because the mean of its divisors is an integer number (11500102581).

Almost surely, 2^23000205161 is an apocalyptic number.

It is an amenable number.

23000205161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23000205161 is an equidigital number, since it uses as much as digits as its factorization.

23000205161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 23000205161 its reverse (16150200032), we get a palindrome (39150405193).

The spelling of 23000205161 in words is "twenty-three billion, two hundred five thousand, one hundred sixty-one".