23201000203 has 2 divisors, whose sum is σ = 23201000204. Its totient is φ = 23201000202.

The previous prime is 23201000201. The next prime is 23201000227. The reversal of 23201000203 is 30200010232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201000203 - 2¹ = 23201000201 is a prime.

Together with 23201000201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23201000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600500101 + 11600500102.

It is an arithmetic number, because the mean of its divisors is an integer number (11600500102).

Almost surely, 2^23201000203 is an apocalyptic number.

23201000203 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201000203 is an equidigital number, since it uses as much as digits as its factorization.

23201000203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23201000203 its reverse (30200010232), we get a palindrome (53401010435).

The spelling of 23201000203 in words is "twenty-three billion, two hundred one million, two hundred three", and thus it is an aban number.