23116206403 has 4 divisors (see below), whose sum is σ = 23116718160. Its totient is φ = 23115694648.

The previous prime is 23116206401. The next prime is 23116206409. The reversal of 23116206403 is 30460261132.

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

It is a cyclic number.

It is not a de Polignac number, because 23116206403 - 2¹ = 23116206401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23116206401) 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, 180775 + ... + 280912.

It is an arithmetic number, because the mean of its divisors is an integer number (5779179540).

Almost surely, 2^23116206403 is an apocalyptic number.

23116206403 is a deficient number, since it is larger than the sum of its proper divisors (511757).

23116206403 is an equidigital number, since it uses as much as digits as its factorization.

23116206403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511756.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 23116206403 its reverse (30460261132), we get a palindrome (53576467535).

The spelling of 23116206403 in words is "twenty-three billion, one hundred sixteen million, two hundred six thousand, four hundred three".