1623938983317 has 32 divisors (see below), whose sum is σ = 2764886860800. Its totient is φ = 922780951344.

The previous prime is 1623938983313. The next prime is 1623938983349. The reversal of 1623938983317 is 7133898393261.

1623938983317 is a `hidden beast` number, since 1 + 6 + 239 + 3 + 8 + 9 + 83 + 317 = 666.

It is not a de Polignac number, because 1623938983317 - 2² = 1623938983313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623938983313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23966923 + ... + 24034584.

It is an arithmetic number, because the mean of its divisors is an integer number (86402714400).

Almost surely, 2^{1623938983317} is an apocalyptic number.

It is an amenable number.

1623938983317 is a deficient number, since it is larger than the sum of its proper divisors (1140947877483).

1623938983317 is a wasteful number, since it uses less digits than its factorization.

1623938983317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48001702 (or 48001696 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 1623938983317 in words is "one trillion, six hundred twenty-three billion, nine hundred thirty-eight million, nine hundred eighty-three thousand, three hundred seventeen".