42115023 has 6 divisors (see below), whose sum is σ = 60832824. Its totient is φ = 28076676.

The previous prime is 42115009. The next prime is 42115027. The reversal of 42115023 is 32051124.

It is not a de Polignac number, because 42115023 - 2⁶ = 42114959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42114987 and 42115005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42115027) 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, 2339715 + ... + 2339732.

It is an arithmetic number, because the mean of its divisors is an integer number (10138804).

Almost surely, 2^42115023 is an apocalyptic number.

42115023 is a deficient number, since it is larger than the sum of its proper divisors (18717801).

42115023 is a wasteful number, since it uses less digits than its factorization.

42115023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679453 (or 4679450 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42115023 is about 6489.6088479969. The cubic root of 42115023 is about 347.9196951047.

Adding to 42115023 its reverse (32051124), we get a palindrome (74166147).

The spelling of 42115023 in words is "forty-two million, one hundred fifteen thousand, twenty-three".