1223305153 has 8 divisors (see below), whose sum is σ = 1405874880. Its totient is φ = 1042688400.

The previous prime is 1223305141. The next prime is 1223305169. The reversal of 1223305153 is 3515033221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223305153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223305103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486898 + ... + 489403.

It is an arithmetic number, because the mean of its divisors is an integer number (175734360).

Almost surely, 2^1223305153 is an apocalyptic number.

It is an amenable number.

1223305153 is a deficient number, since it is larger than the sum of its proper divisors (182569727).

1223305153 is an equidigital number, since it uses as much as digits as its factorization.

1223305153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976487.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1223305153 is about 34975.7795195475. The cubic root of 1223305153 is about 1069.4937929314.

Adding to 1223305153 its reverse (3515033221), we get a palindrome (4738338374).

The spelling of 1223305153 in words is "one billion, two hundred twenty-three million, three hundred five thousand, one hundred fifty-three".