323140443113434 has 4 divisors (see below), whose sum is σ = 484710664670154. Its totient is φ = 161570221556716.

The previous prime is 323140443113431. The next prime is 323140443113437. The reversal of 323140443113434 is 434311344041323.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (323140443113431) and next prime (323140443113437).

It can be written as a sum of positive squares in only one way, i.e., 314047486318225 + 9092956795209 = 17721385^2 + 3015453^2 .

It is not an unprimeable number, because it can be changed into a prime (323140443113431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80785110778357 + ... + 80785110778360.

Almost surely, 2^{323140443113434} is an apocalyptic number.

323140443113434 is a deficient number, since it is larger than the sum of its proper divisors (161570221556720).

323140443113434 is a wasteful number, since it uses less digits than its factorization.

323140443113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161570221556719.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 323140443113434 its reverse (434311344041323), we get a palindrome (757451787154757).

The spelling of 323140443113434 in words is "three hundred twenty-three trillion, one hundred forty billion, four hundred forty-three million, one hundred thirteen thousand, four hundred thirty-four".