42423421122445 has 32 divisors (see below), whose sum is σ = 55687459449600. Its totient is φ = 30769324208640.

The previous prime is 42423421122427. The next prime is 42423421122461. The reversal of 42423421122445 is 54422112432424.

It is not a de Polignac number, because 42423421122445 - 2²⁵ = 42423387568013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42423421122398 and 42423421122407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874919992 + ... + 874968478.

It is an arithmetic number, because the mean of its divisors is an integer number (1740233107800).

Almost surely, 2^{42423421122445} is an apocalyptic number.

It is an amenable number.

42423421122445 is a deficient number, since it is larger than the sum of its proper divisors (13264038327155).

42423421122445 is a wasteful number, since it uses less digits than its factorization.

42423421122445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91525.

The product of its digits is 491520, while the sum is 40.

Adding to 42423421122445 its reverse (54422112432424), we get a palindrome (96845533554869).

The spelling of 42423421122445 in words is "forty-two trillion, four hundred twenty-three billion, four hundred twenty-one million, one hundred twenty-two thousand, four hundred forty-five".