23201212103 has 4 divisors (see below), whose sum is σ = 23202838920. Its totient is φ = 23199585288.

The previous prime is 23201212087. The next prime is 23201212109. The reversal of 23201212103 is 30121210232.

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 23201212103 - 2⁴ = 23201212087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201212109) 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, 791825 + ... + 820602.

It is an arithmetic number, because the mean of its divisors is an integer number (5800709730).

Almost surely, 2^23201212103 is an apocalyptic number.

23201212103 is a deficient number, since it is larger than the sum of its proper divisors (1626817).

23201212103 is a wasteful number, since it uses less digits than its factorization.

23201212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626816.

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

Adding to 23201212103 its reverse (30121210232), we get a palindrome (53322422335).

The spelling of 23201212103 in words is "twenty-three billion, two hundred one million, two hundred twelve thousand, one hundred three".