1152023305 has 16 divisors (see below), whose sum is σ = 1424427264. Its totient is φ = 893782080.

The previous prime is 1152023291. The next prime is 1152023357. The reversal of 1152023305 is 5033202511.

It is not a de Polignac number, because 1152023305 - 2⁷ = 1152023177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47524 + ... + 67546.

It is an arithmetic number, because the mean of its divisors is an integer number (89026704).

Almost surely, 2^1152023305 is an apocalyptic number.

It is an amenable number.

1152023305 is a deficient number, since it is larger than the sum of its proper divisors (272403959).

1152023305 is a wasteful number, since it uses less digits than its factorization.

1152023305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20376.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1152023305 is about 33941.4688102916. The cubic root of 1152023305 is about 1048.3036266611.

Adding to 1152023305 its reverse (5033202511), we get a palindrome (6185225816).

The spelling of 1152023305 in words is "one billion, one hundred fifty-two million, twenty-three thousand, three hundred five".