13423253 has 4 divisors (see below), whose sum is σ = 14129760. Its totient is φ = 12716748.

The previous prime is 13423231. The next prime is 13423273. The reversal of 13423253 is 35232431.

13423253 = 457² + 458² + ... + 513².

13423253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35232431 = 13 ⋅2710187.

It is a cyclic number.

It is not a de Polignac number, because 13423253 - 2¹⁰ = 13422229 is a prime.

It is a super-2 number, since 2×13423253² = 360367442204018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423273) 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, 353225 + ... + 353262.

It is an arithmetic number, because the mean of its divisors is an integer number (3532440).

Almost surely, 2^13423253 is an apocalyptic number.

It is an amenable number.

13423253 is a deficient number, since it is larger than the sum of its proper divisors (706507).

13423253 is an equidigital number, since it uses as much as digits as its factorization.

13423253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706506.

The product of its digits is 2160, while the sum is 23.

The square root of 13423253 is about 3663.7757846244. The cubic root of 13423253 is about 237.6580842267.

Adding to 13423253 its reverse (35232431), we get a palindrome (48655684).

The spelling of 13423253 in words is "thirteen million, four hundred twenty-three thousand, two hundred fifty-three".