42607123 has 4 divisors (see below), whose sum is σ = 45884608. Its totient is φ = 39329640.

The previous prime is 42607121. The next prime is 42607127. The reversal of 42607123 is 32170624.

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 42607123 - 2¹ = 42607121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42607121) 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, 1638723 + ... + 1638748.

It is an arithmetic number, because the mean of its divisors is an integer number (11471152).

Almost surely, 2^42607123 is an apocalyptic number.

42607123 is a deficient number, since it is larger than the sum of its proper divisors (3277485).

42607123 is a wasteful number, since it uses less digits than its factorization.

42607123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277484.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 42607123 is about 6527.4131936013. The cubic root of 42607123 is about 349.2695596448.

Adding to 42607123 its reverse (32170624), we get a palindrome (74777747).

The spelling of 42607123 in words is "forty-two million, six hundred seven thousand, one hundred twenty-three".