231201230233 has 4 divisors (see below), whose sum is σ = 231212948688. Its totient is φ = 231189511780.

The previous prime is 231201230213. The next prime is 231201230243. The reversal of 231201230233 is 332032102132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231201230233 - 2⁵ = 231201230201 is a prime.

It is a super-2 number, since 2×231201230233² (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 (231201230213) 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, 5829583 + ... + 5869108.

It is an arithmetic number, because the mean of its divisors is an integer number (57803237172).

Almost surely, 2^231201230233 is an apocalyptic number.

It is an amenable number.

231201230233 is a deficient number, since it is larger than the sum of its proper divisors (11718455).

231201230233 is a wasteful number, since it uses less digits than its factorization.

231201230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718454.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231201230233 its reverse (332032102132), we get a palindrome (563233332365).

The spelling of 231201230233 in words is "two hundred thirty-one billion, two hundred one million, two hundred thirty thousand, two hundred thirty-three".