23403186349 has 2 divisors, whose sum is σ = 23403186350. Its totient is φ = 23403186348.

The previous prime is 23403186347. The next prime is 23403186379. The reversal of 23403186349 is 94368130432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23358537225 + 44649124 = 152835^2 + 6682^2 .

It is a cyclic number.

It is not a de Polignac number, because 23403186349 - 2¹ = 23403186347 is a prime.

Together with 23403186347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403186341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701593174 + 11701593175.

It is an arithmetic number, because the mean of its divisors is an integer number (11701593175).

Almost surely, 2^23403186349 is an apocalyptic number.

It is an amenable number.

23403186349 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403186349 is an equidigital number, since it uses as much as digits as its factorization.

23403186349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 23403186349 in words is "twenty-three billion, four hundred three million, one hundred eighty-six thousand, three hundred forty-nine".