1149903223 has 16 divisors (see below), whose sum is σ = 1339079680. Its totient is φ = 967108896.

The previous prime is 1149903221. The next prime is 1149903257. The reversal of 1149903223 is 3223099411.

It is a cyclic number.

It is not a de Polignac number, because 1149903223 - 2¹ = 1149903221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149903221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83761 + ... + 96517.

It is an arithmetic number, because the mean of its divisors is an integer number (83692480).

Almost surely, 2^1149903223 is an apocalyptic number.

1149903223 is a deficient number, since it is larger than the sum of its proper divisors (189176457).

1149903223 is a wasteful number, since it uses less digits than its factorization.

1149903223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1149903223 is about 33910.2229865862. Note that the first 3 decimals coincide. The cubic root of 1149903223 is about 1047.6601632887.

The spelling of 1149903223 in words is "one billion, one hundred forty-nine million, nine hundred three thousand, two hundred twenty-three".