13253123 has 4 divisors (see below), whose sum is σ = 14272608. Its totient is φ = 12233640.

The previous prime is 13253101. The next prime is 13253131. The reversal of 13253123 is 32135231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13253123 - 2⁸ = 13252867 is a prime.

It is a super-3 number, since 3×13253123³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13253095 and 13253104.

It is not an unprimeable number, because it can be changed into a prime (13253153) 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, 509723 + ... + 509748.

It is an arithmetic number, because the mean of its divisors is an integer number (3568152).

Almost surely, 2^13253123 is an apocalyptic number.

13253123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13253123 is a deficient number, since it is larger than the sum of its proper divisors (1019485).

13253123 is a wasteful number, since it uses less digits than its factorization.

13253123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019484.

The product of its digits is 540, while the sum is 20.

The square root of 13253123 is about 3640.4838964072. The cubic root of 13253123 is about 236.6497642715.

Adding to 13253123 its reverse (32135231), we get a palindrome (45388354).

The spelling of 13253123 in words is "thirteen million, two hundred fifty-three thousand, one hundred twenty-three".