1233412320 has 216 divisors, whose sum is σ = 4539397464. Its totient is φ = 280691712.

The previous prime is 1233412277. The next prime is 1233412321. The reversal of 1233412320 is 232143321.

It is a super-2 number, since 2×1233412320² = 3042611902255564800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233412321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5385966 + ... + 5386194.

It is an arithmetic number, because the mean of its divisors is an integer number (21015729).

Almost surely, 2^1233412320 is an apocalyptic number.

1233412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1233412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269698732).

1233412320 is an abundant number, since it is smaller than the sum of its proper divisors (3305985144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233412320 is an equidigital number, since it uses as much as digits as its factorization.

1233412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1233412320 is about 35119.9703872313. The cubic root of 1233412320 is about 1072.4311679843.

Adding to 1233412320 its reverse (232143321), we get a palindrome (1465555641).

The spelling of 1233412320 in words is "one billion, two hundred thirty-three million, four hundred twelve thousand, three hundred twenty".