1323943426 has 16 divisors (see below), whose sum is σ = 2188416384. Its totient is φ = 596839824.

The previous prime is 1323943393. The next prime is 1323943429. The reversal of 1323943426 is 6243493231.

It is not an unprimeable number, because it can be changed into a prime (1323943429) 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, 590986 + ... + 593221.

It is an arithmetic number, because the mean of its divisors is an integer number (136776024).

Almost surely, 2^1323943426 is an apocalyptic number.

1323943426 is a deficient number, since it is larger than the sum of its proper divisors (864472958).

1323943426 is a wasteful number, since it uses less digits than its factorization.

1323943426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184265.

The product of its digits is 93312, while the sum is 37.

The square root of 1323943426 is about 36386.0333919486. The cubic root of 1323943426 is about 1098.0525946297.

It can be divided in two parts, 13239 and 43426, that added together give a palindrome (56665).

The spelling of 1323943426 in words is "one billion, three hundred twenty-three million, nine hundred forty-three thousand, four hundred twenty-six".