1230320032 has 24 divisors (see below), whose sum is σ = 2422973952. Its totient is φ = 614961600.

The previous prime is 1230320029. The next prime is 1230320057. The reversal of 1230320032 is 2300230321.

It is a super-2 number, since 2×1230320032² = 3027374762280962048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1230319988 and 1230320015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193057 + ... + 199327.

It is an arithmetic number, because the mean of its divisors is an integer number (100957248).

Almost surely, 2^1230320032 is an apocalyptic number.

It is an amenable number.

1230320032 is a deficient number, since it is larger than the sum of its proper divisors (1192653920).

1230320032 is an equidigital number, since it uses as much as digits as its factorization.

1230320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1230320032 is about 35075.9181205567. The cubic root of 1230320032 is about 1071.5341872402.

Adding to 1230320032 its reverse (2300230321), we get a palindrome (3530550353).

The spelling of 1230320032 in words is "one billion, two hundred thirty million, three hundred twenty thousand, thirty-two".