243400314323 has 16 divisors (see below), whose sum is σ = 256048128000. Its totient is φ = 231061058592.

The previous prime is 243400314317. The next prime is 243400314329. The reversal of 243400314323 is 323413004342.

It is an interprime number because it is at equal distance from previous prime (243400314317) and next prime (243400314329).

It is a cyclic number.

It is not a de Polignac number, because 243400314323 - 2¹² = 243400310227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243400314329) 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, 325286 + ... + 769812.

It is an arithmetic number, because the mean of its divisors is an integer number (16003008000).

Almost surely, 2^243400314323 is an apocalyptic number.

243400314323 is a deficient number, since it is larger than the sum of its proper divisors (12647813677).

243400314323 is a wasteful number, since it uses less digits than its factorization.

243400314323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444874.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243400314323 its reverse (323413004342), we get a palindrome (566813318665).

The spelling of 243400314323 in words is "two hundred forty-three billion, four hundred million, three hundred fourteen thousand, three hundred twenty-three".