1623065223 has 8 divisors (see below), whose sum is σ = 2330555248. Its totient is φ = 998809344.

The previous prime is 1623065221. The next prime is 1623065231. The reversal of 1623065223 is 3225603261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1623065223 - 2¹ = 1623065221 is a prime.

It is a super-2 number, since 2×1623065223² = 5268681436224079458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623065221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20808490 + ... + 20808567.

It is an arithmetic number, because the mean of its divisors is an integer number (291319406).

Almost surely, 2^1623065223 is an apocalyptic number.

1623065223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1623065223 is a deficient number, since it is larger than the sum of its proper divisors (707490025).

1623065223 is a wasteful number, since it uses less digits than its factorization.

1623065223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41617073.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1623065223 is about 40287.2836388854. The cubic root of 1623065223 is about 1175.2005628362.

Adding to 1623065223 its reverse (3225603261), we get a palindrome (4848668484).

The spelling of 1623065223 in words is "one billion, six hundred twenty-three million, sixty-five thousand, two hundred twenty-three".