240430023 has 12 divisors (see below), whose sum is σ = 347469408. Its totient is φ = 160202880.

The previous prime is 240430019. The next prime is 240430061. The reversal of 240430023 is 320034042.

It is not a de Polignac number, because 240430023 - 2² = 240430019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240429978 and 240430005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240430093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14743 + ... + 26423.

It is an arithmetic number, because the mean of its divisors is an integer number (28955784).

Almost surely, 2^240430023 is an apocalyptic number.

240430023 is a deficient number, since it is larger than the sum of its proper divisors (107039385).

240430023 is a wasteful number, since it uses less digits than its factorization.

240430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 240430023 is about 15505.8061061010. The cubic root of 240430023 is about 621.8174412456.

Adding to 240430023 its reverse (320034042), we get a palindrome (560464065).

The spelling of 240430023 in words is "two hundred forty million, four hundred thirty thousand, twenty-three".