42275020123 has 16 divisors (see below), whose sum is σ = 48945909760. Its totient is φ = 35762407200.

The previous prime is 42275020103. The next prime is 42275020127. The reversal of 42275020123 is 32102057224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42275020123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42275020091 and 42275020100.

It is not an unprimeable number, because it can be changed into a prime (42275020127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462753 + ... + 1491373.

It is an arithmetic number, because the mean of its divisors is an integer number (3059119360).

Almost surely, 2^42275020123 is an apocalyptic number.

42275020123 is a deficient number, since it is larger than the sum of its proper divisors (6670889637).

42275020123 is a wasteful number, since it uses less digits than its factorization.

42275020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31378.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 42275020123 its reverse (32102057224), we get a palindrome (74377077347).

The spelling of 42275020123 in words is "forty-two billion, two hundred seventy-five million, twenty thousand, one hundred twenty-three".