23203031011 has 2 divisors, whose sum is σ = 23203031012. Its totient is φ = 23203031010.

The previous prime is 23203030997. The next prime is 23203031029. The reversal of 23203031011 is 11013030232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23203031011 - 2¹³ = 23203022819 is a prime.

It is not a weakly prime, because it can be changed into another prime (23203034011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601515505 + 11601515506.

It is an arithmetic number, because the mean of its divisors is an integer number (11601515506).

Almost surely, 2^23203031011 is an apocalyptic number.

23203031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203031011 is an equidigital number, since it uses as much as digits as its factorization.

23203031011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23203031011 its reverse (11013030232), we get a palindrome (34216061243).

The spelling of 23203031011 in words is "twenty-three billion, two hundred three million, thirty-one thousand, eleven".