23283011261 has 2 divisors, whose sum is σ = 23283011262. Its totient is φ = 23283011260.

The previous prime is 23283011239. The next prime is 23283011273. The reversal of 23283011261 is 16211038232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15155087236 + 8127924025 = 123106^2 + 90155^2 .

It is a cyclic number.

It is not a de Polignac number, because 23283011261 - 2⁶ = 23283011197 is a prime.

It is a super-2 number, since 2×23283011261² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23283011561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11641505630 + 11641505631.

It is an arithmetic number, because the mean of its divisors is an integer number (11641505631).

Almost surely, 2^23283011261 is an apocalyptic number.

It is an amenable number.

23283011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23283011261 is an equidigital number, since it uses as much as digits as its factorization.

23283011261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 23283011261 its reverse (16211038232), we get a palindrome (39494049493).

The spelling of 23283011261 in words is "twenty-three billion, two hundred eighty-three million, eleven thousand, two hundred sixty-one".