42123285043 has 16 divisors (see below), whose sum is σ = 48226268160. Its totient is φ = 36041714496.

The previous prime is 42123285041. The next prime is 42123285047. The reversal of 42123285043 is 34058232124.

It is a cyclic number.

It is not a de Polignac number, because 42123285043 - 2¹ = 42123285041 is a prime.

It is a super-2 number, since 2×42123285043² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42123285041) 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, 15840448 + ... + 15843106.

It is an arithmetic number, because the mean of its divisors is an integer number (3014141760).

Almost surely, 2^42123285043 is an apocalyptic number.

42123285043 is a deficient number, since it is larger than the sum of its proper divisors (6102983117).

42123285043 is a wasteful number, since it uses less digits than its factorization.

42123285043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 42123285043 in words is "forty-two billion, one hundred twenty-three million, two hundred eighty-five thousand, forty-three".