23101112203 has 4 divisors (see below), whose sum is σ = 24878120848. Its totient is φ = 21324103560.

The previous prime is 23101112191. The next prime is 23101112231. The reversal of 23101112203 is 30221110132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23101112203 is a prime.

It is a super-2 number, since 2×23101112203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23101112263) 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, 888504303 + ... + 888504328.

It is an arithmetic number, because the mean of its divisors is an integer number (6219530212).

Almost surely, 2^23101112203 is an apocalyptic number.

23101112203 is a deficient number, since it is larger than the sum of its proper divisors (1777008645).

23101112203 is a wasteful number, since it uses less digits than its factorization.

23101112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777008644.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23101112203 its reverse (30221110132), we get a palindrome (53322222335).

The spelling of 23101112203 in words is "twenty-three billion, one hundred one million, one hundred twelve thousand, two hundred three".