42248123 has 8 divisors (see below), whose sum is σ = 43015440. Its totient is φ = 41484960.

The previous prime is 42248119. The next prime is 42248147. The reversal of 42248123 is 32184224.

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 42248123 - 2² = 42248119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42248092 and 42248101.

It is not an unprimeable number, because it can be changed into a prime (42248113) 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, 25253 + ... + 26873.

It is an arithmetic number, because the mean of its divisors is an integer number (5376930).

Almost surely, 2^42248123 is an apocalyptic number.

42248123 is a deficient number, since it is larger than the sum of its proper divisors (767317).

42248123 is a wasteful number, since it uses less digits than its factorization.

42248123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077.

The product of its digits is 3072, while the sum is 26.

The square root of 42248123 is about 6499.8556137810. The cubic root of 42248123 is about 348.2858305885.

The spelling of 42248123 in words is "forty-two million, two hundred forty-eight thousand, one hundred twenty-three".