42123285044 has 12 divisors (see below), whose sum is σ = 73751916000. Its totient is φ = 21051309048.

The previous prime is 42123285041. The next prime is 42123285047. The reversal of 42123285044 is 44058232124.

It is an interprime number because it is at equal distance from previous prime (42123285041) and next prime (42123285047).

It is a super-2 number, since 2×42123285044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42123284995 and 42123285013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123285041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2574194 + ... + 2590505.

It is an arithmetic number, because the mean of its divisors is an integer number (6145993000).

Almost surely, 2^42123285044 is an apocalyptic number.

It is an amenable number.

42123285044 is a deficient number, since it is larger than the sum of its proper divisors (31628630956).

42123285044 is a wasteful number, since it uses less digits than its factorization.

42123285044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166742 (or 5166740 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 42123285044 in words is "forty-two billion, one hundred twenty-three million, two hundred eighty-five thousand, forty-four".