1232573320 has 128 divisors (see below), whose sum is σ = 3238185600. Its totient is φ = 417484800.

The previous prime is 1232573297. The next prime is 1232573327. The reversal of 1232573320 is 233752321.

It is not an unprimeable number, because it can be changed into a prime (1232573327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508752 + ... + 511168.

It is an arithmetic number, because the mean of its divisors is an integer number (25298325).

Almost surely, 2^1232573320 is an apocalyptic number.

1232573320 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 1232573320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619092800).

1232573320 is an abundant number, since it is smaller than the sum of its proper divisors (2005612280).

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

1232573320 is a wasteful number, since it uses less digits than its factorization.

1232573320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 1232573320 is about 35108.0235843603. The cubic root of 1232573320 is about 1072.1879473872.

The spelling of 1232573320 in words is "one billion, two hundred thirty-two million, five hundred seventy-three thousand, three hundred twenty".