11723153 has 4 divisors (see below), whose sum is σ = 12624948. Its totient is φ = 10821360.

The previous prime is 11723147. The next prime is 11723161. The reversal of 11723153 is 35132711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35132711 = 271 ⋅129641.

It can be written as a sum of positive squares in 2 ways, for example, as 6115729 + 5607424 = 2473^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 11723153 - 2⁴ = 11723137 is a prime.

It is a super-2 number, since 2×11723153² = 274864632522818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11723113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450878 + ... + 450903.

It is an arithmetic number, because the mean of its divisors is an integer number (3156237).

Almost surely, 2^11723153 is an apocalyptic number.

11723153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11723153 is a deficient number, since it is larger than the sum of its proper divisors (901795).

11723153 is an equidigital number, since it uses as much as digits as its factorization.

11723153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901794.

The product of its digits is 630, while the sum is 23.

The square root of 11723153 is about 3423.9090233241. The cubic root of 11723153 is about 227.1685177668.

Adding to 11723153 its reverse (35132711), we get a palindrome (46855864).

The spelling of 11723153 in words is "eleven million, seven hundred twenty-three thousand, one hundred fifty-three".