1323145326 has 32 divisors (see below), whose sum is σ = 2823372288. Its totient is φ = 411931520.

The previous prime is 1323145321. The next prime is 1323145331. The reversal of 1323145326 is 6235413231.

It is an interprime number because it is at equal distance from previous prime (1323145321) and next prime (1323145331).

It is a junction number, because it is equal to n+sod(n) for n = 1323145293 and 1323145302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323145321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36150 + ... + 62873.

It is an arithmetic number, because the mean of its divisors is an integer number (88230384).

Almost surely, 2^1323145326 is an apocalyptic number.

1323145326 is an abundant number, since it is smaller than the sum of its proper divisors (1500226962).

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

1323145326 is a wasteful number, since it uses less digits than its factorization.

1323145326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99176.

The product of its digits is 12960, while the sum is 30.

The square root of 1323145326 is about 36375.0646184993. The cubic root of 1323145326 is about 1097.8319074733.

Adding to 1323145326 its reverse (6235413231), we get a palindrome (7558558557).

The spelling of 1323145326 in words is "one billion, three hundred twenty-three million, one hundred forty-five thousand, three hundred twenty-six".