243401413223 has 4 divisors (see below), whose sum is σ = 243604080048. Its totient is φ = 243198746400.

The previous prime is 243401413219. The next prime is 243401413351. The reversal of 243401413223 is 322314104342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322314104342 = 2 ⋅161157052171.

It is a cyclic number.

It is not a de Polignac number, because 243401413223 - 2² = 243401413219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243401413823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101331611 + ... + 101334012.

It is an arithmetic number, because the mean of its divisors is an integer number (60901020012).

Almost surely, 2^243401413223 is an apocalyptic number.

243401413223 is a deficient number, since it is larger than the sum of its proper divisors (202666825).

243401413223 is a wasteful number, since it uses less digits than its factorization.

243401413223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202666824.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243401413223 its reverse (322314104342), we get a palindrome (565715517565).

The spelling of 243401413223 in words is "two hundred forty-three billion, four hundred one million, four hundred thirteen thousand, two hundred twenty-three".