42423421123000 has 64 divisors (see below), whose sum is σ = 99279004968000. Its totient is φ = 16967966819200.

The previous prime is 42423421122959. The next prime is 42423421123003. The reversal of 42423421123000 is 32112432424.

It is a super-2 number, since 2×42423421123000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42423421123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423421123003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10403037 + ... + 13894963.

It is an arithmetic number, because the mean of its divisors is an integer number (1551234452625).

Almost surely, 2^{42423421123000} is an apocalyptic number.

42423421123000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42423421123000 is an abundant number, since it is smaller than the sum of its proper divisors (56855583845000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42423421123000 is a wasteful number, since it uses less digits than its factorization.

42423421123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504097 (or 3504083 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42423421123000 its reverse (32112432424), we get a palindrome (42455533555424).

The spelling of 42423421123000 in words is "forty-two trillion, four hundred twenty-three billion, four hundred twenty-one million, one hundred twenty-three thousand".