42123001434 has 16 divisors (see below), whose sum is σ = 84253625760. Its totient is φ = 14039730000.

The previous prime is 42123001397. The next prime is 42123001493. The reversal of 42123001434 is 43410032124.

It is an unprimeable number.

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, 244489 + ... + 379500.

It is an arithmetic number, because the mean of its divisors is an integer number (5265851610).

Almost surely, 2^42123001434 is an apocalyptic number.

42123001434 is an abundant number, since it is smaller than the sum of its proper divisors (42130624326).

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

42123001434 is a wasteful number, since it uses less digits than its factorization.

42123001434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635245.

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

Adding to 42123001434 its reverse (43410032124), we get a palindrome (85533033558).

The spelling of 42123001434 in words is "forty-two billion, one hundred twenty-three million, one thousand, four hundred thirty-four".