3200123232 has 72 divisors (see below), whose sum is σ = 9109782864. Its totient is φ = 1065602304.

The previous prime is 3200123189. The next prime is 3200123293. The reversal of 3200123232 is 2323210023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3200123232² = 20481577399972251648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300918 + ... + 311370.

It is an arithmetic number, because the mean of its divisors is an integer number (126524762).

Almost surely, 2^3200123232 is an apocalyptic number.

3200123232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3200123232 is an abundant number, since it is smaller than the sum of its proper divisors (5909659632).

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

3200123232 is a wasteful number, since it uses less digits than its factorization.

3200123232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532 (or 11521 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3200123232 is about 56569.6317117232. The cubic root of 3200123232 is about 1473.6315154871.

Adding to 3200123232 its reverse (2323210023), we get a palindrome (5523333255).

The spelling of 3200123232 in words is "three billion, two hundred million, one hundred twenty-three thousand, two hundred thirty-two".