1623330201 has 16 divisors (see below), whose sum is σ = 2184634368. Its totient is φ = 1072170000.

The previous prime is 1623330173. The next prime is 1623330209. The reversal of 1623330201 is 1020333261.

It is not a de Polignac number, because 1623330201 - 2⁵ = 1623330169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1623330209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138180 + ... + 149466.

It is an arithmetic number, because the mean of its divisors is an integer number (136539648).

Almost surely, 2^1623330201 is an apocalyptic number.

It is an amenable number.

1623330201 is a deficient number, since it is larger than the sum of its proper divisors (561304167).

1623330201 is a wasteful number, since it uses less digits than its factorization.

1623330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1623330201 is about 40290.5721106067. The cubic root of 1623330201 is about 1175.2645128951.

Adding to 1623330201 its reverse (1020333261), we get a palindrome (2643663462).

The spelling of 1623330201 in words is "one billion, six hundred twenty-three million, three hundred thirty thousand, two hundred one".