42655615123 has 8 divisors (see below), whose sum is σ = 46994126256. Its totient is φ = 38393892000.

The previous prime is 42655615111. The next prime is 42655615133. The reversal of 42655615123 is 32151655624.

42655615123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42655615123 - 2⁹ = 42655614611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42655615133) 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, 19195836 + ... + 19198057.

It is an arithmetic number, because the mean of its divisors is an integer number (5874265782).

Almost surely, 2^42655615123 is an apocalyptic number.

42655615123 is a deficient number, since it is larger than the sum of its proper divisors (4338511133).

42655615123 is a wasteful number, since it uses less digits than its factorization.

42655615123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38394005.

The product of its digits is 216000, while the sum is 40.

The spelling of 42655615123 in words is "forty-two billion, six hundred fifty-five million, six hundred fifteen thousand, one hundred twenty-three".