423151242541 has 4 divisors (see below), whose sum is σ = 423159119584. Its totient is φ = 423143365500.

The previous prime is 423151242517. The next prime is 423151242617. The reversal of 423151242541 is 145242151324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423151242541 - 2⁵ = 423151242509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423151242497 and 423151242506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423151242641) 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, 3857385 + ... + 3965566.

It is an arithmetic number, because the mean of its divisors is an integer number (105789779896).

Almost surely, 2^423151242541 is an apocalyptic number.

It is an amenable number.

423151242541 is a deficient number, since it is larger than the sum of its proper divisors (7877043).

423151242541 is an equidigital number, since it uses as much as digits as its factorization.

423151242541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877042.

The product of its digits is 38400, while the sum is 34.

Adding to 423151242541 its reverse (145242151324), we get a palindrome (568393393865).

The spelling of 423151242541 in words is "four hundred twenty-three billion, one hundred fifty-one million, two hundred forty-two thousand, five hundred forty-one".