1152023117 has 4 divisors (see below), whose sum is σ = 1316597856. Its totient is φ = 987448380.

The previous prime is 1152023077. The next prime is 1152023123. The reversal of 1152023117 is 7113202511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7113202511 = 19543 ⋅363977.

It is a cyclic number.

It is not a de Polignac number, because 1152023117 - 2¹⁴ = 1152006733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152023092 and 1152023101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152023167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82287359 + ... + 82287372.

It is an arithmetic number, because the mean of its divisors is an integer number (329149464).

Almost surely, 2^1152023117 is an apocalyptic number.

It is an amenable number.

1152023117 is a deficient number, since it is larger than the sum of its proper divisors (164574739).

1152023117 is an equidigital number, since it uses as much as digits as its factorization.

1152023117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164574738.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1152023117 is about 33941.4660408180. The cubic root of 1152023117 is about 1048.3035696365.

Adding to 1152023117 its reverse (7113202511), we get a palindrome (8265225628).

The spelling of 1152023117 in words is "one billion, one hundred fifty-two million, twenty-three thousand, one hundred seventeen".