23903810061 has 4 divisors (see below), whose sum is σ = 31871746752. Its totient is φ = 15935873372.

The previous prime is 23903809931. The next prime is 23903810071. The reversal of 23903810061 is 16001830932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23903810061 - 2¹⁴ = 23903793677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23903810071) 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, 3983968341 + ... + 3983968346.

It is an arithmetic number, because the mean of its divisors is an integer number (7967936688).

Almost surely, 2^23903810061 is an apocalyptic number.

It is an amenable number.

23903810061 is a deficient number, since it is larger than the sum of its proper divisors (7967936691).

23903810061 is an equidigital number, since it uses as much as digits as its factorization.

23903810061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967936690.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 23903810061 in words is "twenty-three billion, nine hundred three million, eight hundred ten thousand, sixty-one".