1223243331 has 8 divisors (see below), whose sum is σ = 1631154000. Its totient is φ = 815414112.

The previous prime is 1223243327. The next prime is 1223243369. The reversal of 1223243331 is 1333423221.

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

It is not a de Polignac number, because 1223243331 - 2² = 1223243327 is a prime.

It is a super-2 number, since 2×1223243331² = 2992648493671951122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223247331) 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, 41761 + ... + 64733.

It is an arithmetic number, because the mean of its divisors is an integer number (203894250).

Almost surely, 2^1223243331 is an apocalyptic number.

1223243331 is a deficient number, since it is larger than the sum of its proper divisors (407910669).

1223243331 is a wasteful number, since it uses less digits than its factorization.

1223243331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40725.

The product of its digits is 2592, while the sum is 24.

The square root of 1223243331 is about 34974.8957253628. The cubic root of 1223243331 is about 1069.4757763422.

Adding to 1223243331 its reverse (1333423221), we get a palindrome (2556666552).

The spelling of 1223243331 in words is "one billion, two hundred twenty-three million, two hundred forty-three thousand, three hundred thirty-one".