23011213203 has 12 divisors (see below), whose sum is σ = 36260093688. Its totient is φ = 13946189760.

The previous prime is 23011213187. The next prime is 23011213289. The reversal of 23011213203 is 30231211032.

23011213203 is a `hidden beast` number, since 230 + 112 + 1 + 320 + 3 = 666.

It is not a de Polignac number, because 23011213203 - 2⁴ = 23011213187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23011213703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116218150 + ... + 116218347.

It is an arithmetic number, because the mean of its divisors is an integer number (3021674474).

Almost surely, 2^23011213203 is an apocalyptic number.

23011213203 is a deficient number, since it is larger than the sum of its proper divisors (13248880485).

23011213203 is a wasteful number, since it uses less digits than its factorization.

23011213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232436514 (or 232436511 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23011213203 its reverse (30231211032), we get a palindrome (53242424235).

It can be divided in two parts, 2301121 and 3203, that added together give a square (2304324 = 1518²).

The spelling of 23011213203 in words is "twenty-three billion, eleven million, two hundred thirteen thousand, two hundred three".