1623100223 has 2 divisors, whose sum is σ = 1623100224.
Its totient is φ = 1623100222.
The previous prime is 1623100187. The next prime is 1623100243. The reversal of 1623100223 is 3220013261.
Adding to 1623100223 its reverse (3220013261), we get a palindrome (4843113484).
It is a happy number.
It is an a-pointer prime, because the next prime (1623100243) can be obtained adding 1623100223 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1623100223 - 28 = 1623099967 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1623100195 and 1623100204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1623100243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811550111 + 811550112.
It is an arithmetic number, because the mean of its divisors is an integer number (811550112).
Almost surely, 21623100223 is an apocalyptic number.
1623100223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1623100223 is an equidigital number, since it uses as much as digits as its factorization.
1623100223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1623100223 is about 40287.7180167852.
The cubic root of 1623100223 is about 1175.2090101706.
The spelling of 1623100223 in words is "one billion, six hundred twenty-three million, one hundred thousand, two hundred twenty-three".