623461654642332 has 96 divisors (see below), whose sum is σ = 1594244462469120. Its totient is φ = 188064683916480.

The previous prime is 623461654642319. The next prime is 623461654642423. The reversal of 623461654642332 is 233246456164326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350077219 + ... + 351853637.

It is an arithmetic number, because the mean of its divisors is an integer number (16606713150720).

Almost surely, 2^{623461654642332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623461654642332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797122231234560).

623461654642332 is an abundant number, since it is smaller than the sum of its proper divisors (970782807826788).

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

623461654642332 is a wasteful number, since it uses less digits than its factorization.

623461654642332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788583 (or 1788581 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 57.

The spelling of 623461654642332 in words is "six hundred twenty-three trillion, four hundred sixty-one billion, six hundred fifty-four million, six hundred forty-two thousand, three hundred thirty-two".