623361420603216 has 120 divisors (see below), whose sum is σ = 1770673441278560. Its totient is φ = 204675523100928.

The previous prime is 623361420603211. The next prime is 623361420603239. The reversal of 623361420603216 is 612306024163326.

623361420603216 is a `hidden beast` number, since 6 + 2 + 3 + 3 + 6 + 1 + 4 + 20 + 603 + 2 + 16 = 666.

It is a super-3 number, since 3×623361420603216³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623361420603211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190984770 + ... + 194221278.

Almost surely, 2^{623361420603216} 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 623361420603216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885336720639280).

623361420603216 is an abundant number, since it is smaller than the sum of its proper divisors (1147312020675344).

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

623361420603216 is a wasteful number, since it uses less digits than its factorization.

623361420603216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256553 (or 3256544 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The spelling of 623361420603216 in words is "six hundred twenty-three trillion, three hundred sixty-one billion, four hundred twenty million, six hundred three thousand, two hundred sixteen".