23193183961 has 4 divisors (see below), whose sum is σ = 23204799972. Its totient is φ = 23181567952.

The previous prime is 23193183917. The next prime is 23193183989. The reversal of 23193183961 is 16938139132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8118010000 + 15075173961 = 90100^2 + 122781^2 .

It is a cyclic number.

It is not a de Polignac number, because 23193183961 - 2⁷ = 23193183833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23193183161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5805010 + ... + 5809003.

It is an arithmetic number, because the mean of its divisors is an integer number (5801199993).

Almost surely, 2^23193183961 is an apocalyptic number.

It is an amenable number.

23193183961 is a deficient number, since it is larger than the sum of its proper divisors (11616011).

23193183961 is a wasteful number, since it uses less digits than its factorization.

23193183961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11616010.

The product of its digits is 209952, while the sum is 46.

The spelling of 23193183961 in words is "twenty-three billion, one hundred ninety-three million, one hundred eighty-three thousand, nine hundred sixty-one".