42672323 has 4 divisors (see below), whose sum is σ = 42725880. Its totient is φ = 42618768.

The previous prime is 42672317. The next prime is 42672361. The reversal of 42672323 is 32327624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42672323 - 2⁴ = 42672307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42672823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25565 + ... + 27182.

It is an arithmetic number, because the mean of its divisors is an integer number (10681470).

Almost surely, 2^42672323 is an apocalyptic number.

42672323 is a deficient number, since it is larger than the sum of its proper divisors (53557).

42672323 is an equidigital number, since it uses as much as digits as its factorization.

42672323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53556.

The product of its digits is 12096, while the sum is 29.

The square root of 42672323 is about 6532.4056059005. The cubic root of 42672323 is about 349.4476266569.

Adding to 42672323 its reverse (32327624), we get a palindrome (74999947).

The spelling of 42672323 in words is "forty-two million, six hundred seventy-two thousand, three hundred twenty-three".