42002023 has 8 divisors (see below), whose sum is σ = 48908448. Its totient is φ = 35322144.

The previous prime is 42002017. The next prime is 42002029. The reversal of 42002023 is 32020024.

It is an interprime number because it is at equal distance from previous prime (42002017) and next prime (42002029).

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 42002023 - 2⁹ = 42001511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42001994 and 42002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002029) 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, 56236 + ... + 56977.

It is an arithmetic number, because the mean of its divisors is an integer number (6113556).

Almost surely, 2^42002023 is an apocalyptic number.

42002023 is a deficient number, since it is larger than the sum of its proper divisors (6906425).

42002023 is a wasteful number, since it uses less digits than its factorization.

42002023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113273.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 42002023 is about 6480.8967743670. The cubic root of 42002023 is about 347.6082453529.

Adding to 42002023 its reverse (32020024), we get a palindrome (74022047).

The spelling of 42002023 in words is "forty-two million, two thousand, twenty-three".