1323891425 has 12 divisors (see below), whose sum is σ = 1694582016. Its totient is φ = 1024947600.

The previous prime is 1323891341. The next prime is 1323891433. The reversal of 1323891425 is 5241983231.

It is not a de Polignac number, because 1323891425 - 2¹² = 1323887329 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 853349 + ... + 854898.

It is an arithmetic number, because the mean of its divisors is an integer number (141215168).

Almost surely, 2^1323891425 is an apocalyptic number.

It is an amenable number.

1323891425 is a deficient number, since it is larger than the sum of its proper divisors (370690591).

1323891425 is a wasteful number, since it uses less digits than its factorization.

1323891425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708288 (or 1708283 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 1323891425 is about 36385.3188113008. The cubic root of 1323891425 is about 1098.0382182399.

The spelling of 1323891425 in words is "one billion, three hundred twenty-three million, eight hundred ninety-one thousand, four hundred twenty-five".