1623533621352 has 32 divisors (see below), whose sum is σ = 4059262814400. Its totient is φ = 541120705664.

The previous prime is 1623533621327. The next prime is 1623533621371. The reversal of 1623533621352 is 2531263353261.

It is a super-2 number, since 2×1623533621352² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340773 + ... + 3795764.

It is an arithmetic number, because the mean of its divisors is an integer number (126851962950).

Almost surely, 2^{1623533621352} is an apocalyptic number.

1623533621352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623533621352 is an abundant number, since it is smaller than the sum of its proper divisors (2435729193048).

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

1623533621352 is a wasteful number, since it uses less digits than its factorization.

1623533621352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146025 (or 7146021 counting only the distinct ones).

The product of its digits is 583200, while the sum is 42.

The spelling of 1623533621352 in words is "one trillion, six hundred twenty-three billion, five hundred thirty-three million, six hundred twenty-one thousand, three hundred fifty-two".