23000203111 has 4 divisors (see below), whose sum is σ = 23001035400. Its totient is φ = 22999370824.

The previous prime is 23000203103. The next prime is 23000203117. The reversal of 23000203111 is 11130200032.

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 23000203111 - 2³ = 23000203103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23000203091 and 23000203100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000203117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373216 + ... + 430453.

It is an arithmetic number, because the mean of its divisors is an integer number (5750258850).

Almost surely, 2^23000203111 is an apocalyptic number.

23000203111 is a deficient number, since it is larger than the sum of its proper divisors (832289).

23000203111 is an equidigital number, since it uses as much as digits as its factorization.

23000203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832288.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23000203111 its reverse (11130200032), we get a palindrome (34130403143).

The spelling of 23000203111 in words is "twenty-three billion, two hundred three thousand, one hundred eleven".