233230213123 has 4 divisors (see below), whose sum is σ = 233231457240. Its totient is φ = 233228969008.

The previous prime is 233230213057. The next prime is 233230213129. The reversal of 233230213123 is 321312032332.

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 233230213123 - 2²¹ = 233228115971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233230213129) 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, 277090 + ... + 737047.

It is an arithmetic number, because the mean of its divisors is an integer number (58307864310).

Almost surely, 2^233230213123 is an apocalyptic number.

233230213123 is a deficient number, since it is larger than the sum of its proper divisors (1244117).

233230213123 is a wasteful number, since it uses less digits than its factorization.

233230213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244116.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 233230213123 its reverse (321312032332), we get a palindrome (554542245455).

The spelling of 233230213123 in words is "two hundred thirty-three billion, two hundred thirty million, two hundred thirteen thousand, one hundred twenty-three".