42123552134 has 32 divisors (see below), whose sum is σ = 65220768000. Its totient is φ = 20389326048.

The previous prime is 42123552131. The next prime is 42123552139. The reversal of 42123552134 is 43125532124.

It is a self number, because there is not a number n which added to its sum of digits gives 42123552134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123552131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14044367 + ... + 14047365.

It is an arithmetic number, because the mean of its divisors is an integer number (2038149000).

Almost surely, 2^42123552134 is an apocalyptic number.

42123552134 is a deficient number, since it is larger than the sum of its proper divisors (23097215866).

42123552134 is a wasteful number, since it uses less digits than its factorization.

42123552134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its digits is 28800, while the sum is 32.

The spelling of 42123552134 in words is "forty-two billion, one hundred twenty-three million, five hundred fifty-two thousand, one hundred thirty-four".