1211230323 has 24 divisors (see below), whose sum is σ = 1805980176. Its totient is φ = 781747200.

The previous prime is 1211230309. The next prime is 1211230333. The reversal of 1211230323 is 3230321121.

It is not a de Polignac number, because 1211230323 - 2⁸ = 1211230067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211230296 and 1211230305.

It is not an unprimeable number, because it can be changed into a prime (1211230333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35811 + ... + 60867.

It is an arithmetic number, because the mean of its divisors is an integer number (75249174).

Almost surely, 2^1211230323 is an apocalyptic number.

1211230323 is a deficient number, since it is larger than the sum of its proper divisors (594749853).

1211230323 is a wasteful number, since it uses less digits than its factorization.

1211230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25235 (or 25232 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1211230323 is about 34802.7344184333. The cubic root of 1211230323 is about 1065.9632810751.

Adding to 1211230323 its reverse (3230321121), we get a palindrome (4441551444).

The spelling of 1211230323 in words is "one billion, two hundred eleven million, two hundred thirty thousand, three hundred twenty-three".