1173273023 has 4 divisors (see below), whose sum is σ = 1263524808. Its totient is φ = 1083021240.

The previous prime is 1173272999. The next prime is 1173273043. The reversal of 1173273023 is 3203723711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203723711 = 181 ⋅17700131.

It is a cyclic number.

It is not a de Polignac number, because 1173273023 - 2²⁰ = 1172224447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173273043) 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, 45125873 + ... + 45125898.

It is an arithmetic number, because the mean of its divisors is an integer number (315881202).

Almost surely, 2^1173273023 is an apocalyptic number.

1173273023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1173273023 is a deficient number, since it is larger than the sum of its proper divisors (90251785).

1173273023 is an equidigital number, since it uses as much as digits as its factorization.

1173273023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90251784.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1173273023 is about 34253.0731905912. The cubic root of 1173273023 is about 1054.7099141799.

Adding to 1173273023 its reverse (3203723711), we get a palindrome (4376996734).

The spelling of 1173273023 in words is "one billion, one hundred seventy-three million, two hundred seventy-three thousand, twenty-three".