233220023 has 4 divisors (see below), whose sum is σ = 243360048. Its totient is φ = 223080000.

The previous prime is 233219999. The next prime is 233220049. The reversal of 233220023 is 320022332.

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 233220023 - 2¹⁶ = 233154487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233219983 and 233220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233220623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069978 + ... + 5070023.

It is an arithmetic number, because the mean of its divisors is an integer number (60840012).

Almost surely, 2^233220023 is an apocalyptic number.

233220023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

233220023 is a deficient number, since it is larger than the sum of its proper divisors (10140025).

233220023 is a wasteful number, since it uses less digits than its factorization.

233220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140024.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 233220023 is about 15271.5429148466. The cubic root of 233220023 is about 615.5385794775.

Adding to 233220023 its reverse (320022332), we get a palindrome (553242355).

The spelling of 233220023 in words is "two hundred thirty-three million, two hundred twenty thousand, twenty-three".