42144323 has 8 divisors (see below), whose sum is σ = 45497088. Its totient is φ = 38807424.

The previous prime is 42144307. The next prime is 42144331. The reversal of 42144323 is 32344124.

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 42144323 - 2⁴ = 42144307 is a prime.

It is a super-2 number, since 2×42144323² = 3552287922256658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144353) 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, 1886 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (5687136).

Almost surely, 2^42144323 is an apocalyptic number.

42144323 is a deficient number, since it is larger than the sum of its proper divisors (3352765).

42144323 is a wasteful number, since it uses less digits than its factorization.

42144323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its digits is 2304, while the sum is 23.

The square root of 42144323 is about 6491.8659105068. The cubic root of 42144323 is about 348.0003605713. Note that the first 3 decimals are identical.

Adding to 42144323 its reverse (32344124), we get a palindrome (74488447).

It can be divided in two parts, 421 and 44323, that added together give a palindrome (44744).

The spelling of 42144323 in words is "forty-two million, one hundred forty-four thousand, three hundred twenty-three".