23211031233 has 64 divisors (see below), whose sum is σ = 36777000960. Its totient is φ = 12898828800.

The previous prime is 23211031219. The next prime is 23211031241. The reversal of 23211031233 is 33213011232.

It is not a de Polignac number, because 23211031233 - 2¹⁰ = 23211030209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23211031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1129908 + ... + 1150266.

It is an arithmetic number, because the mean of its divisors is an integer number (574640640).

Almost surely, 2^23211031233 is an apocalyptic number.

23211031233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23211031233 is a deficient number, since it is larger than the sum of its proper divisors (13565969727).

23211031233 is a wasteful number, since it uses less digits than its factorization.

23211031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23211031233 its reverse (33213011232), we get a palindrome (56424042465).

The spelling of 23211031233 in words is "twenty-three billion, two hundred eleven million, thirty-one thousand, two hundred thirty-three".