42523032523 has 8 divisors (see below), whose sum is σ = 44386610688. Its totient is φ = 40660683624.

The previous prime is 42523032491. The next prime is 42523032547. The reversal of 42523032523 is 32523032524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42523032523 - 2⁵ = 42523032491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42523032323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236265 + ... + 375322.

It is an arithmetic number, because the mean of its divisors is an integer number (5548326336).

Almost surely, 2^42523032523 is an apocalyptic number.

42523032523 is a deficient number, since it is larger than the sum of its proper divisors (1863578165).

42523032523 is a wasteful number, since it uses less digits than its factorization.

42523032523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614633.

The product of its (nonzero) digits is 43200, while the sum is 31.

Subtracting from 42523032523 its reverse (32523032524), we obtain a palindrome (9999999999).

The spelling of 42523032523 in words is "forty-two billion, five hundred twenty-three million, thirty-two thousand, five hundred twenty-three".