423142440111 has 6 divisors (see below), whose sum is σ = 611205746840. Its totient is φ = 282094960068.

The previous prime is 423142440011. The next prime is 423142440121. The reversal of 423142440111 is 111044241324.

423142440111 is a `hidden beast` number, since 4 + 231 + 4 + 24 + 401 + 1 + 1 = 666.

It is not a de Polignac number, because 423142440111 - 2¹⁷ = 423142309039 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 (423142440121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23507913331 + ... + 23507913348.

Almost surely, 2^423142440111 is an apocalyptic number.

423142440111 is a deficient number, since it is larger than the sum of its proper divisors (188063306729).

423142440111 is a wasteful number, since it uses less digits than its factorization.

423142440111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47015826685 (or 47015826682 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 423142440111 its reverse (111044241324), we get a palindrome (534186681435).

The spelling of 423142440111 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred forty thousand, one hundred eleven".