1623038479552 has 28 divisors (see below), whose sum is σ = 3680819410000. Its totient is φ = 695587919616.

The previous prime is 1623038479493. The next prime is 1623038479583. The reversal of 1623038479552 is 2559748303261.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1623038479552² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1623038479493 and 1623038479502.

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 3 ways as a sum of consecutive naturals, for example, 1811426427 + ... + 1811427322.

It is a 1-persistent number, because it is pandigital, but 2⋅1623038479552 = 3246076959104 is not.

Almost surely, 2^{1623038479552} is an apocalyptic number.

It is an amenable number.

1623038479552 is an abundant number, since it is smaller than the sum of its proper divisors (2057780930448).

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

1623038479552 is an equidigital number, since it uses as much as digits as its factorization.

1623038479552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622853768 (or 3622853758 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 1623038479552 in words is "one trillion, six hundred twenty-three billion, thirty-eight million, four hundred seventy-nine thousand, five hundred fifty-two".