42613515123 has 8 divisors (see below), whose sum is σ = 56819633808. Its totient is φ = 28408203264.

The previous prime is 42613515101. The next prime is 42613515127. The reversal of 42613515123 is 32151531624.

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

It is not a de Polignac number, because 42613515123 - 2⁹ = 42613514611 is a prime.

It is a super-2 number, since 2×42613515123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42613515127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65286 + ... + 299147.

It is an arithmetic number, because the mean of its divisors is an integer number (7102454226).

Almost surely, 2^42613515123 is an apocalyptic number.

42613515123 is a deficient number, since it is larger than the sum of its proper divisors (14206118685).

42613515123 is a wasteful number, since it uses less digits than its factorization.

42613515123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403413.

The product of its digits is 21600, while the sum is 33.

The spelling of 42613515123 in words is "forty-two billion, six hundred thirteen million, five hundred fifteen thousand, one hundred twenty-three".