42021423311 has 16 divisors (see below), whose sum is σ = 48300700224. Its totient is φ = 35811777024.

The previous prime is 42021423281. The next prime is 42021423331. The reversal of 42021423311 is 11332412024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42021423311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021423331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864425 + ... + 911741.

It is an arithmetic number, because the mean of its divisors is an integer number (3018793764).

Almost surely, 2^42021423311 is an apocalyptic number.

42021423311 is a deficient number, since it is larger than the sum of its proper divisors (6279276913).

42021423311 is a wasteful number, since it uses less digits than its factorization.

42021423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48050.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 42021423311 its reverse (11332412024), we get a palindrome (53353835335).

The spelling of 42021423311 in words is "forty-two billion, twenty-one million, four hundred twenty-three thousand, three hundred eleven".