1323257002 has 16 divisors (see below), whose sum is σ = 1995966720. Its totient is φ = 657942048.

The previous prime is 1323256993. The next prime is 1323257009. The reversal of 1323257002 is 2007523231.

It is not an unprimeable number, because it can be changed into a prime (1323257009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751399 + ... + 753157.

It is an arithmetic number, because the mean of its divisors is an integer number (124747920).

Almost surely, 2^1323257002 is an apocalyptic number.

1323257002 is a deficient number, since it is larger than the sum of its proper divisors (672709718).

1323257002 is a wasteful number, since it uses less digits than its factorization.

1323257002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1323257002 is about 36376.5996486752. The cubic root of 1323257002 is about 1097.8627929764.

The spelling of 1323257002 in words is "one billion, three hundred twenty-three million, two hundred fifty-seven thousand, two".