42012023 has 8 divisors (see below), whose sum is σ = 42511392. Its totient is φ = 41515936.

The previous prime is 42012017. The next prime is 42012073. The reversal of 42012023 is 32021024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42012023 - 2²² = 37817719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42011989 and 42012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42012073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32261 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (5313924).

Almost surely, 2^42012023 is an apocalyptic number.

42012023 is a deficient number, since it is larger than the sum of its proper divisors (499369).

42012023 is a wasteful number, since it uses less digits than its factorization.

42012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42012023 is about 6481.6682266219. The cubic root of 42012023 is about 347.6358297911.

Adding to 42012023 its reverse (32021024), we get a palindrome (74033047).

Subtracting from 42012023 its reverse (32021024), we obtain a palindrome (9990999).

The spelling of 42012023 in words is "forty-two million, twelve thousand, twenty-three".