13511023 has 2 divisors, whose sum is σ = 13511024. Its totient is φ = 13511022.

The previous prime is 13511021. The next prime is 13511053. The reversal of 13511023 is 32011531.

It is a weak prime.

It is an emirp because it is prime and its reverse (32011531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13511023 - 2¹ = 13511021 is a prime.

Together with 13511021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13510988 and 13511006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13511021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755511 + 6755512.

It is an arithmetic number, because the mean of its divisors is an integer number (6755512).

Almost surely, 2^13511023 is an apocalyptic number.

13511023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13511023 is an equidigital number, since it uses as much as digits as its factorization.

13511023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13511023 is about 3675.7343483990. The cubic root of 13511023 is about 238.1749472823.

Adding to 13511023 its reverse (32011531), we get a palindrome (45522554).

The spelling of 13511023 in words is "thirteen million, five hundred eleven thousand, twenty-three".