23449016693 has 2 divisors, whose sum is σ = 23449016694. Its totient is φ = 23449016692.

The previous prime is 23449016639. The next prime is 23449016803. The reversal of 23449016693 is 39661094432.

Together with previous prime (23449016639) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21992296804 + 1456719889 = 148298^2 + 38167^2 .

It is a cyclic number.

It is not a de Polignac number, because 23449016693 - 2⁶ = 23449016629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23449016093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11724508346 + 11724508347.

It is an arithmetic number, because the mean of its divisors is an integer number (11724508347).

Almost surely, 2^23449016693 is an apocalyptic number.

It is an amenable number.

23449016693 is a deficient number, since it is larger than the sum of its proper divisors (1).

23449016693 is an equidigital number, since it uses as much as digits as its factorization.

23449016693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 23449016693 in words is "twenty-three billion, four hundred forty-nine million, sixteen thousand, six hundred ninety-three".