23436076409 has 2 divisors, whose sum is σ = 23436076410. Its totient is φ = 23436076408.

The previous prime is 23436076397. The next prime is 23436076483. The reversal of 23436076409 is 90467063432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23268451600 + 167624809 = 152540^2 + 12947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23436076409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23436076409.

It is not a weakly prime, because it can be changed into another prime (23436076009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718038204 + 11718038205.

It is an arithmetic number, because the mean of its divisors is an integer number (11718038205).

Almost surely, 2^23436076409 is an apocalyptic number.

It is an amenable number.

23436076409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23436076409 is an equidigital number, since it uses as much as digits as its factorization.

23436076409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 23436076409 in words is "twenty-three billion, four hundred thirty-six million, seventy-six thousand, four hundred nine".