23101212203 has 4 divisors (see below), whose sum is σ = 23248353840. Its totient is φ = 22954070568.

The previous prime is 23101212179. The next prime is 23101212221. The reversal of 23101212203 is 30221210132.

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 23101212203 - 2¹⁰ = 23101211179 is a prime.

It is a super-2 number, since 2×23101212203² (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 (23101212103) 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, 73570583 + ... + 73570896.

It is an arithmetic number, because the mean of its divisors is an integer number (5812088460).

Almost surely, 2^23101212203 is an apocalyptic number.

23101212203 is a deficient number, since it is larger than the sum of its proper divisors (147141637).

23101212203 is a wasteful number, since it uses less digits than its factorization.

23101212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147141636.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23101212203 its reverse (30221210132), we get a palindrome (53322422335).

The spelling of 23101212203 in words is "twenty-three billion, one hundred one million, two hundred twelve thousand, two hundred three".