42011450523 has 20 divisors (see below), whose sum is σ = 71723253360. Its totient is φ = 24006542832.

The previous prime is 42011450479. The next prime is 42011450531. The reversal of 42011450523 is 32505411024.

42011450523 is a `hidden beast` number, since 4 + 20 + 114 + 5 + 0 + 523 = 666.

42011450523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42011450523 - 2¹² = 42011446427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42011450543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37046568 + ... + 37047701.

It is an arithmetic number, because the mean of its divisors is an integer number (3586162668).

Almost surely, 2^42011450523 is an apocalyptic number.

42011450523 is a deficient number, since it is larger than the sum of its proper divisors (29711802837).

42011450523 is an equidigital number, since it uses as much as digits as its factorization.

42011450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74094288 (or 74094279 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 42011450523 its reverse (32505411024), we get a palindrome (74516861547).

The spelling of 42011450523 in words is "forty-two billion, eleven million, four hundred fifty thousand, five hundred twenty-three".