1328723032 has 32 divisors (see below), whose sum is σ = 3066285600. Its totient is φ = 525648384.

The previous prime is 1328723017. The next prime is 1328723047. The reversal of 1328723032 is 2303278231.

It is an interprime number because it is at equal distance from previous prime (1328723017) and next prime (1328723047).

It is a junction number, because it is equal to n+sod(n) for n = 1328722985 and 1328723003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911857 + ... + 913312.

It is an arithmetic number, because the mean of its divisors is an integer number (95821425).

Almost surely, 2^1328723032 is an apocalyptic number.

It is an amenable number.

1328723032 is an abundant number, since it is smaller than the sum of its proper divisors (1737562568).

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

1328723032 is a wasteful number, since it uses less digits than its factorization.

1328723032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825195 (or 1825191 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1328723032 is about 36451.6533507055. The cubic root of 1328723032 is about 1099.3723780569.

The spelling of 1328723032 in words is "one billion, three hundred twenty-eight million, seven hundred twenty-three thousand, thirty-two".