1623236223 has 16 divisors (see below), whose sum is σ = 2481315840. Its totient is φ = 924633696.

The previous prime is 1623236221. The next prime is 1623236233. The reversal of 1623236223 is 3226323261.

It is not a de Polignac number, because 1623236223 - 2¹ = 1623236221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623236221) 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, 115263 + ... + 128576.

It is an arithmetic number, because the mean of its divisors is an integer number (155082240).

Almost surely, 2^1623236223 is an apocalyptic number.

1623236223 is a deficient number, since it is larger than the sum of its proper divisors (858079617).

1623236223 is a wasteful number, since it uses less digits than its factorization.

1623236223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244166.

The product of its digits is 15552, while the sum is 30.

The square root of 1623236223 is about 40289.4058407418. The cubic root of 1623236223 is about 1175.2418329459.

Adding to 1623236223 its reverse (3226323261), we get a palindrome (4849559484).

The spelling of 1623236223 in words is "one billion, six hundred twenty-three million, two hundred thirty-six thousand, two hundred twenty-three".