42377323 has 4 divisors (see below), whose sum is σ = 43838640. Its totient is φ = 40916008.

The previous prime is 42377267. The next prime is 42377333. The reversal of 42377323 is 32377324.

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 42377323 - 2⁹ = 42376811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42377333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730615 + ... + 730672.

It is an arithmetic number, because the mean of its divisors is an integer number (10959660).

Almost surely, 2^42377323 is an apocalyptic number.

42377323 is a deficient number, since it is larger than the sum of its proper divisors (1461317).

42377323 is a wasteful number, since it uses less digits than its factorization.

42377323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461316.

The product of its digits is 21168, while the sum is 31.

The square root of 42377323 is about 6509.7867092555. The cubic root of 42377323 is about 348.6405030452.

Subtracting from 42377323 its reverse (32377324), we obtain a palindrome (9999999).

The spelling of 42377323 in words is "forty-two million, three hundred seventy-seven thousand, three hundred twenty-three".