1223010305 has 16 divisors (see below), whose sum is σ = 1610630784. Its totient is φ = 884129280.

The previous prime is 1223010293. The next prime is 1223010317. The reversal of 1223010305 is 5030103221.

It is an interprime number because it is at equal distance from previous prime (1223010293) and next prime (1223010317).

It is not a de Polignac number, because 1223010305 - 2²⁰ = 1221961729 is a prime.

It is a super-2 number, since 2×1223010305² = 2991508412272386050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57392 + ... + 75761.

It is an arithmetic number, because the mean of its divisors is an integer number (100664424).

Almost surely, 2^1223010305 is an apocalyptic number.

It is an amenable number.

1223010305 is a deficient number, since it is larger than the sum of its proper divisors (387620479).

1223010305 is a wasteful number, since it uses less digits than its factorization.

1223010305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133336.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1223010305 is about 34971.5642343891. The cubic root of 1223010305 is about 1069.4078608581.

Adding to 1223010305 its reverse (5030103221), we get a palindrome (6253113526).

The spelling of 1223010305 in words is "one billion, two hundred twenty-three million, ten thousand, three hundred five".