623054565606 has 48 divisors (see below), whose sum is σ = 1375147537344. Its totient is φ = 188052150000.

The previous prime is 623054565589. The next prime is 623054565611. The reversal of 623054565606 is 606565450326.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1527340 + ... + 1891791.

It is an arithmetic number, because the mean of its divisors is an integer number (28648907028).

Almost surely, 2^623054565606 is an apocalyptic number.

623054565606 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

623054565606 is an abundant number, since it is smaller than the sum of its proper divisors (752092971738).

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

623054565606 is a wasteful number, since it uses less digits than its factorization.

623054565606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419409 (or 3419398 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 623054565606 in words is "six hundred twenty-three billion, fifty-four million, five hundred sixty-five thousand, six hundred six".