1232423331 has 8 divisors (see below), whose sum is σ = 1678193664. Its totient is φ = 804134280.

The previous prime is 1232423323. The next prime is 1232423333. The reversal of 1232423331 is 1333242321.

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

It is not a de Polignac number, because 1232423331 - 2³ = 1232423323 is a prime.

It is a super-2 number, since 2×1232423331² = 3037734533586271122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232423333) 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, 4370155 + ... + 4370436.

It is an arithmetic number, because the mean of its divisors is an integer number (209774208).

Almost surely, 2^1232423331 is an apocalyptic number.

1232423331 is a deficient number, since it is larger than the sum of its proper divisors (445770333).

1232423331 is an equidigital number, since it uses as much as digits as its factorization.

1232423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740641.

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

The square root of 1232423331 is about 35105.8874122276. The cubic root of 1232423331 is about 1072.1444549315.

Adding to 1232423331 its reverse (1333242321), we get a palindrome (2565665652).

The spelling of 1232423331 in words is "one billion, two hundred thirty-two million, four hundred twenty-three thousand, three hundred thirty-one".