42523320311 has 8 divisors (see below), whose sum is σ = 45049102560. Its totient is φ = 40000250368.

The previous prime is 42523320293. The next prime is 42523320317. The reversal of 42523320311 is 11302332524.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-42523320311 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 (42523320317) 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, 645746 + ... + 708543.

It is an arithmetic number, because the mean of its divisors is an integer number (5631137820).

Almost surely, 2^42523320311 is an apocalyptic number.

42523320311 is a deficient number, since it is larger than the sum of its proper divisors (2525782249).

42523320311 is a wasteful number, since it uses less digits than its factorization.

42523320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356153.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 42523320311 its reverse (11302332524), we get a palindrome (53825652835).

It can be divided in two parts, 425233 and 20311, that added together give a palindrome (445544).

The spelling of 42523320311 in words is "forty-two billion, five hundred twenty-three million, three hundred twenty thousand, three hundred eleven".