233143440032 has 24 divisors (see below), whose sum is σ = 463457475936. Its totient is φ = 115439954112.

The previous prime is 233143440031. The next prime is 233143440041. The reversal of 233143440032 is 230044341332.

It is a super-2 number, since 2×233143440032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233143439977 and 233143440004.

It is not an unprimeable number, because it can be changed into a prime (233143440031) 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, 35364338 + ... + 35370929.

It is an arithmetic number, because the mean of its divisors is an integer number (19310728164).

Almost surely, 2^233143440032 is an apocalyptic number.

It is an amenable number.

233143440032 is a deficient number, since it is larger than the sum of its proper divisors (230314035904).

233143440032 is a wasteful number, since it uses less digits than its factorization.

233143440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70735380 (or 70735372 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 233143440032 its reverse (230044341332), we get a palindrome (463187781364).

The spelling of 233143440032 in words is "two hundred thirty-three billion, one hundred forty-three million, four hundred forty thousand, thirty-two".