23606548909 has 2 divisors, whose sum is σ = 23606548910. Its totient is φ = 23606548908.

The previous prime is 23606548877. The next prime is 23606548913. The reversal of 23606548909 is 90984560632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22313786884 + 1292762025 = 149378^2 + 35955^2 .

It is a cyclic number.

It is not a de Polignac number, because 23606548909 - 2⁵ = 23606548877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23606548919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11803274454 + 11803274455.

It is an arithmetic number, because the mean of its divisors is an integer number (11803274455).

Almost surely, 2^23606548909 is an apocalyptic number.

It is an amenable number.

23606548909 is a deficient number, since it is larger than the sum of its proper divisors (1).

23606548909 is an equidigital number, since it uses as much as digits as its factorization.

23606548909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 23606548909 in words is "twenty-three billion, six hundred six million, five hundred forty-eight thousand, nine hundred nine".