23443104449 has 2 divisors, whose sum is σ = 23443104450. Its totient is φ = 23443104448.

The previous prime is 23443104409. The next prime is 23443104473. The reversal of 23443104449 is 94440134432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21311620225 + 2131484224 = 145985^2 + 46168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23443104449 is a prime.

It is not a weakly prime, because it can be changed into another prime (23443104409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721552224 + 11721552225.

It is an arithmetic number, because the mean of its divisors is an integer number (11721552225).

Almost surely, 2^23443104449 is an apocalyptic number.

It is an amenable number.

23443104449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443104449 is an equidigital number, since it uses as much as digits as its factorization.

23443104449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 23443104449 in words is "twenty-three billion, four hundred forty-three million, one hundred four thousand, four hundred forty-nine".