42151546423 has 4 divisors (see below), whose sum is σ = 48173195920. Its totient is φ = 36129896928.

The previous prime is 42151546357. The next prime is 42151546433. The reversal of 42151546423 is 32464515124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42151546423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42151546433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010824738 + ... + 3010824751.

It is an arithmetic number, because the mean of its divisors is an integer number (12043298980).

Almost surely, 2^42151546423 is an apocalyptic number.

42151546423 is a deficient number, since it is larger than the sum of its proper divisors (6021649497).

42151546423 is an equidigital number, since it uses as much as digits as its factorization.

42151546423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021649496.

The product of its digits is 115200, while the sum is 37.

The spelling of 42151546423 in words is "forty-two billion, one hundred fifty-one million, five hundred forty-six thousand, four hundred twenty-three".