623233533552 has 80 divisors (see below), whose sum is σ = 1840204957440. Its totient is φ = 178049097216.

The previous prime is 623233533551. The next prime is 623233533563. The reversal of 623233533552 is 255335332326.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623233533551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3518503 + ... + 3691385.

It is an arithmetic number, because the mean of its divisors is an integer number (23002561968).

Almost surely, 2^623233533552 is an apocalyptic number.

It is an amenable number.

623233533552 is an abundant number, since it is smaller than the sum of its proper divisors (1216971423888).

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

623233533552 is a wasteful number, since it uses less digits than its factorization.

623233533552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183630 (or 183624 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 42.

Adding to 623233533552 its reverse (255335332326), we get a palindrome (878568865878).

The spelling of 623233533552 in words is "six hundred twenty-three billion, two hundred thirty-three million, five hundred thirty-three thousand, five hundred fifty-two".