6623531238 has 32 divisors (see below), whose sum is σ = 13695390720. Its totient is φ = 2133341280.

The previous prime is 6623531197. The next prime is 6623531249. The reversal of 6623531238 is 8321353266.

It is a junction number, because it is equal to n+sod(n) for n = 6623531196 and 6623531205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95556 + ... + 149592.

It is an arithmetic number, because the mean of its divisors is an integer number (427980960).

Almost surely, 2^6623531238 is an apocalyptic number.

6623531238 is an abundant number, since it is smaller than the sum of its proper divisors (7071859482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6623531238 is a wasteful number, since it uses less digits than its factorization.

6623531238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54732.

The product of its digits is 155520, while the sum is 39.

The square root of 6623531238 is about 81385.0799471254. The cubic root of 6623531238 is about 1878.0040721410.

The spelling of 6623531238 in words is "six billion, six hundred twenty-three million, five hundred thirty-one thousand, two hundred thirty-eight".