42304023 has 12 divisors (see below), whose sum is σ = 61398168. Its totient is φ = 28067760.

The previous prime is 42303997. The next prime is 42304037. The reversal of 42304023 is 32040324.

It is not a de Polignac number, because 42304023 - 2⁵ = 42303991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42303987 and 42304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42304043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9240 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (5116514).

Almost surely, 2^42304023 is an apocalyptic number.

42304023 is a deficient number, since it is larger than the sum of its proper divisors (19094145).

42304023 is a wasteful number, since it uses less digits than its factorization.

42304023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22494 (or 22491 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42304023 is about 6504.1542878379. The cubic root of 42304023 is about 348.4393726953.

Adding to 42304023 its reverse (32040324), we get a palindrome (74344347).

The spelling of 42304023 in words is "forty-two million, three hundred four thousand, twenty-three".