1150553423 has 4 divisors (see below), whose sum is σ = 1151851440. Its totient is φ = 1149255408.

The previous prime is 1150553377. The next prime is 1150553429. The reversal of 1150553423 is 3243550511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243550511 = 47 ⋅69011713.

It is a cyclic number.

It is not a de Polignac number, because 1150553423 - 2⁸ = 1150553167 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 (1150553429) 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 3 ways as a sum of consecutive naturals, for example, 647678 + ... + 649451.

It is an arithmetic number, because the mean of its divisors is an integer number (287962860).

Almost surely, 2^1150553423 is an apocalyptic number.

1150553423 is a deficient number, since it is larger than the sum of its proper divisors (1298017).

1150553423 is an equidigital number, since it uses as much as digits as its factorization.

1150553423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298016.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1150553423 is about 33919.8087111351. The cubic root of 1150553423 is about 1047.8575886820.

The spelling of 1150553423 in words is "one billion, one hundred fifty million, five hundred fifty-three thousand, four hundred twenty-three".