423402144111 has 32 divisors (see below), whose sum is σ = 647557079040. Its totient is φ = 273137205600.

The previous prime is 423402144103. The next prime is 423402144131. The reversal of 423402144111 is 111441204324.

423402144111 is a `hidden beast` number, since 4 + 2 + 3 + 402 + 144 + 111 = 666.

It is not a de Polignac number, because 423402144111 - 2³ = 423402144103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423402144101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13789306 + ... + 13819976.

It is an arithmetic number, because the mean of its divisors is an integer number (20236158720).

Almost surely, 2^423402144111 is an apocalyptic number.

423402144111 is a deficient number, since it is larger than the sum of its proper divisors (224154934929).

423402144111 is a wasteful number, since it uses less digits than its factorization.

423402144111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47204 (or 47198 counting only the distinct ones).

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

Adding to 423402144111 its reverse (111441204324), we get a palindrome (534843348435).

The spelling of 423402144111 in words is "four hundred twenty-three billion, four hundred two million, one hundred forty-four thousand, one hundred eleven".