233022123011 has 4 divisors (see below), whose sum is σ = 233350786800. Its totient is φ = 232693459224.

The previous prime is 233022123007. The next prime is 233022123013. The reversal of 233022123011 is 110321220332.

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 233022123011 - 2² = 233022123007 is a prime.

It is a super-2 number, since 2×233022123011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233022123013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164330831 + ... + 164332248.

It is an arithmetic number, because the mean of its divisors is an integer number (58337696700).

Almost surely, 2^233022123011 is an apocalyptic number.

233022123011 is a deficient number, since it is larger than the sum of its proper divisors (328663789).

233022123011 is an equidigital number, since it uses as much as digits as its factorization.

233022123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328663788.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 233022123011 its reverse (110321220332), we get a palindrome (343343343343).

The spelling of 233022123011 in words is "two hundred thirty-three billion, twenty-two million, one hundred twenty-three thousand, eleven".