42426123 has 8 divisors (see below), whose sum is σ = 56598336. Its totient is φ = 28269000.

The previous prime is 42426119. The next prime is 42426173. The reversal of 42426123 is 32162424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42426123 - 2² = 42426119 is a prime.

It is a super-2 number, since 2×42426123² = 3599951825622258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42426093 and 42426102.

It is not an unprimeable number, because it can be changed into a prime (42426173) 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, 8448 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (7074792).

Almost surely, 2^42426123 is an apocalyptic number.

42426123 is a deficient number, since it is larger than the sum of its proper divisors (14172213).

42426123 is a wasteful number, since it uses less digits than its factorization.

42426123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545.

The product of its digits is 2304, while the sum is 24.

The square root of 42426123 is about 6513.5338334885. The cubic root of 42426123 is about 348.7742784449.

Adding to 42426123 its reverse (32162424), we get a palindrome (74588547).

The spelling of 42426123 in words is "forty-two million, four hundred twenty-six thousand, one hundred twenty-three".