23683474365449 has 2 divisors, whose sum is σ = 23683474365450. Its totient is φ = 23683474365448.

The previous prime is 23683474365413. The next prime is 23683474365569. The reversal of 23683474365449 is 94456347438632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19958064828025 + 3725409537424 = 4467445^2 + 1930132^2 .

It is a cyclic number.

It is not a de Polignac number, because 23683474365449 - 2¹² = 23683474361353 is a prime.

It is not a weakly prime, because it can be changed into another prime (23683474355449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11841737182724 + 11841737182725.

It is an arithmetic number, because the mean of its divisors is an integer number (11841737182725).

Almost surely, 2^{23683474365449} is an apocalyptic number.

It is an amenable number.

23683474365449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23683474365449 is an equidigital number, since it uses as much as digits as its factorization.

23683474365449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1254113280, while the sum is 68.

The spelling of 23683474365449 in words is "twenty-three trillion, six hundred eighty-three billion, four hundred seventy-four million, three hundred sixty-five thousand, four hundred forty-nine".