1233320231 has 8 divisors (see below), whose sum is σ = 1448935824. Its totient is φ = 1034953920.

The previous prime is 1233320227. The next prime is 1233320243. The reversal of 1233320231 is 1320233321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1233320231 - 2² = 1233320227 is a prime.

It is a super-3 number, since 3×1233320231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233320261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4312166 + ... + 4312451.

It is an arithmetic number, because the mean of its divisors is an integer number (181116978).

Almost surely, 2^1233320231 is an apocalyptic number.

1233320231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1233320231 is a deficient number, since it is larger than the sum of its proper divisors (215615593).

1233320231 is a wasteful number, since it uses less digits than its factorization.

1233320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624641.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1233320231 is about 35118.6592995803. The cubic root of 1233320231 is about 1072.4044773770.

Adding to 1233320231 its reverse (1320233321), we get a palindrome (2553553552).

The spelling of 1233320231 in words is "one billion, two hundred thirty-three million, three hundred twenty thousand, two hundred thirty-one".