42416623 has 4 divisors (see below), whose sum is σ = 44260848. Its totient is φ = 40572400.

The previous prime is 42416617. The next prime is 42416629. The reversal of 42416623 is 32661424.

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

It is an interprime number because it is at equal distance from previous prime (42416617) and next prime (42416629).

It is a cyclic number.

It is not a de Polignac number, because 42416623 - 2²¹ = 40319471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42416591 and 42416600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42416629) 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, 922078 + ... + 922123.

It is an arithmetic number, because the mean of its divisors is an integer number (11065212).

Almost surely, 2^42416623 is an apocalyptic number.

42416623 is a deficient number, since it is larger than the sum of its proper divisors (1844225).

42416623 is a wasteful number, since it uses less digits than its factorization.

42416623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844224.

The product of its digits is 6912, while the sum is 28.

The square root of 42416623 is about 6512.8045418237. The cubic root of 42416623 is about 348.7482441470.

The spelling of 42416623 in words is "forty-two million, four hundred sixteen thousand, six hundred twenty-three".