42623311 has 8 divisors (see below), whose sum is σ = 43457040. Its totient is φ = 41793408.

The previous prime is 42623299. The next prime is 42623351. The reversal of 42623311 is 11332624.

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 42623311 - 2⁵ = 42623279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42623351) 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, 32215 + ... + 33511.

It is an arithmetic number, because the mean of its divisors is an integer number (5432130).

Almost surely, 2^42623311 is an apocalyptic number.

42623311 is a deficient number, since it is larger than the sum of its proper divisors (833729).

42623311 is a wasteful number, since it uses less digits than its factorization.

42623311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its digits is 864, while the sum is 22.

The square root of 42623311 is about 6528.6530770137. The cubic root of 42623311 is about 349.3137874588.

Adding to 42623311 its reverse (11332624), we get a palindrome (53955935).

The spelling of 42623311 in words is "forty-two million, six hundred twenty-three thousand, three hundred eleven".