240111343423 has 4 divisors (see below), whose sum is σ = 274412963920. Its totient is φ = 205809722928.

The previous prime is 240111343393. The next prime is 240111343561. The reversal of 240111343423 is 324343111042.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 240111343423 - 2¹³ = 240111335231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240111343391 and 240111343400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240111341423) 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, 17150810238 + ... + 17150810251.

It is an arithmetic number, because the mean of its divisors is an integer number (68603240980).

Almost surely, 2^240111343423 is an apocalyptic number.

240111343423 is a deficient number, since it is larger than the sum of its proper divisors (34301620497).

240111343423 is an equidigital number, since it uses as much as digits as its factorization.

240111343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34301620496.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 240111343423 its reverse (324343111042), we get a palindrome (564454454465).

The spelling of 240111343423 in words is "two hundred forty billion, one hundred eleven million, three hundred forty-three thousand, four hundred twenty-three".