11621023 has 2 divisors, whose sum is σ = 11621024. Its totient is φ = 11621022.

The previous prime is 11621017. The next prime is 11621039. The reversal of 11621023 is 32012611.

11621023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11621039) can be obtained adding 11621023 to its sum of digits (16).

It is a weak prime.

It is an emirp because it is prime and its reverse (32012611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11621023 - 2⁵ = 11620991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11620988 and 11621006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11621123) 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 as a sum of consecutive naturals, namely, 5810511 + 5810512.

It is an arithmetic number, because the mean of its divisors is an integer number (5810512).

Almost surely, 2^11621023 is an apocalyptic number.

11621023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621023 is an equidigital number, since it uses as much as digits as its factorization.

11621023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 11621023 is about 3408.9621587809. The cubic root of 11621023 is about 226.5069090054.

Adding to 11621023 its reverse (32012611), we get a palindrome (43633634).

The spelling of 11621023 in words is "eleven million, six hundred twenty-one thousand, twenty-three".