42423123404 has 12 divisors (see below), whose sum is σ = 74261350800. Its totient is φ = 21205594608.

The previous prime is 42423123397. The next prime is 42423123439. The reversal of 42423123404 is 40432132424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475759 + ... + 1504230.

It is an arithmetic number, because the mean of its divisors is an integer number (6188445900).

Almost surely, 2^42423123404 is an apocalyptic number.

It is an amenable number.

42423123404 is a deficient number, since it is larger than the sum of its proper divisors (31838227396).

42423123404 is a wasteful number, since it uses less digits than its factorization.

42423123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983552 (or 2983550 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42423123404 its reverse (40432132424), we get a palindrome (82855255828).

The spelling of 42423123404 in words is "forty-two billion, four hundred twenty-three million, one hundred twenty-three thousand, four hundred four".