42012423401 has 16 divisors (see below), whose sum is σ = 47705898240. Its totient is φ = 36677525760.

The previous prime is 42012423379. The next prime is 42012423413. The reversal of 42012423401 is 10432421024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42012423401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42012423451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3056 + ... + 289886.

It is an arithmetic number, because the mean of its divisors is an integer number (2981618640).

Almost surely, 2^42012423401 is an apocalyptic number.

It is an amenable number.

42012423401 is a deficient number, since it is larger than the sum of its proper divisors (5693474839).

42012423401 is a wasteful number, since it uses less digits than its factorization.

42012423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287456.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42012423401 its reverse (10432421024), we get a palindrome (52444844425).

The spelling of 42012423401 in words is "forty-two billion, twelve million, four hundred twenty-three thousand, four hundred one".