233023331311 has 16 divisors (see below), whose sum is σ = 247183519968. Its totient is φ = 218913868800.

The previous prime is 233023331297. The next prime is 233023331339. The reversal of 233023331311 is 113133320332.

It is not a de Polignac number, because 233023331311 - 2²⁹ = 232486460399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233023331341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22923516 + ... + 22933678.

It is an arithmetic number, because the mean of its divisors is an integer number (15448969998).

Almost surely, 2^233023331311 is an apocalyptic number.

233023331311 is a deficient number, since it is larger than the sum of its proper divisors (14160188657).

233023331311 is a wasteful number, since it uses less digits than its factorization.

233023331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 233023331311 its reverse (113133320332), we get a palindrome (346156651643).

The spelling of 233023331311 in words is "two hundred thirty-three billion, twenty-three million, three hundred thirty-one thousand, three hundred eleven".