623424654465044 has 12 divisors (see below), whose sum is σ = 1090993574275584. Its totient is φ = 311712204672024.

The previous prime is 623424654465043. The next prime is 623424654465059. The reversal of 623424654465044 is 440564456424326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623424654465043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18676052 + ... + 39945515.

It is an arithmetic number, because the mean of its divisors is an integer number (90916131189632).

Almost surely, 2^{623424654465044} is an apocalyptic number.

It is an amenable number.

623424654465044 is a deficient number, since it is larger than the sum of its proper divisors (467568919810540).

623424654465044 is a wasteful number, since it uses less digits than its factorization.

623424654465044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61280254 (or 61280252 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 59.

The spelling of 623424654465044 in words is "six hundred twenty-three trillion, four hundred twenty-four billion, six hundred fifty-four million, four hundred sixty-five thousand, forty-four".