42012124323 has 32 divisors (see below), whose sum is σ = 64135701504. Its totient is φ = 24262922112.

The previous prime is 42012124313. The next prime is 42012124337. The reversal of 42012124323 is 32342121024.

It is a happy number.

It is not a de Polignac number, because 42012124323 - 2⁴ = 42012124307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42012124293 and 42012124302.

It is not an unprimeable number, because it can be changed into a prime (42012124313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394311 + ... + 489392.

It is an arithmetic number, because the mean of its divisors is an integer number (2004240672).

Almost surely, 2^42012124323 is an apocalyptic number.

42012124323 is a deficient number, since it is larger than the sum of its proper divisors (22123577181).

42012124323 is a wasteful number, since it uses less digits than its factorization.

42012124323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883795.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42012124323 its reverse (32342121024), we get a palindrome (74354245347).

It can be divided in two parts, 420121 and 24323, that added together give a palindrome (444444).

The spelling of 42012124323 in words is "forty-two billion, twelve million, one hundred twenty-four thousand, three hundred twenty-three".