240020314423 has 4 divisors (see below), whose sum is σ = 240246536328. Its totient is φ = 239794092520.

The previous prime is 240020314409. The next prime is 240020314453. The reversal of 240020314423 is 324413020042.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240020314423 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 (240020314453) 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, 113109361 + ... + 113111482.

It is an arithmetic number, because the mean of its divisors is an integer number (60061634082).

Almost surely, 2^240020314423 is an apocalyptic number.

240020314423 is a deficient number, since it is larger than the sum of its proper divisors (226221905).

240020314423 is a wasteful number, since it uses less digits than its factorization.

240020314423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226221904.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 240020314423 its reverse (324413020042), we get a palindrome (564433334465).

The spelling of 240020314423 in words is "two hundred forty billion, twenty million, three hundred fourteen thousand, four hundred twenty-three".