623020024655 has 16 divisors (see below), whose sum is σ = 854551641600. Its totient is φ = 427151641632.

The previous prime is 623020024639. The next prime is 623020024667. The reversal of 623020024655 is 556420020326.

It is a cyclic number.

It is not a de Polignac number, because 623020024655 - 2⁴ = 623020024639 is a prime.

It is a super-2 number, since 2×623020024655² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048619 + ... + 1531548.

It is an arithmetic number, because the mean of its divisors is an integer number (53409477600).

Almost surely, 2^623020024655 is an apocalyptic number.

623020024655 is a deficient number, since it is larger than the sum of its proper divisors (231531616945).

623020024655 is a wasteful number, since it uses less digits than its factorization.

623020024655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587078.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 623020024655 in words is "six hundred twenty-three billion, twenty million, twenty-four thousand, six hundred fifty-five".