23203140211 has 2 divisors, whose sum is σ = 23203140212. Its totient is φ = 23203140210.

The previous prime is 23203140193. The next prime is 23203140241. The reversal of 23203140211 is 11204130232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23203140211 - 2⁹ = 23203139699 is a prime.

It is not a weakly prime, because it can be changed into another prime (23203140241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601570105 + 11601570106.

It is an arithmetic number, because the mean of its divisors is an integer number (11601570106).

Almost surely, 2^23203140211 is an apocalyptic number.

23203140211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203140211 is an equidigital number, since it uses as much as digits as its factorization.

23203140211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23203140211 its reverse (11204130232), we get a palindrome (34407270443).

The spelling of 23203140211 in words is "twenty-three billion, two hundred three million, one hundred forty thousand, two hundred eleven".