13145023 has 8 divisors (see below), whose sum is σ = 13800960. Its totient is φ = 12503640.

The previous prime is 13145021. The next prime is 13145053. The reversal of 13145023 is 32054131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13145023 - 2¹ = 13145021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (1725120).

Almost surely, 2^13145023 is an apocalyptic number.

13145023 is a deficient number, since it is larger than the sum of its proper divisors (655937).

13145023 is an equidigital number, since it uses as much as digits as its factorization.

13145023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13145023 is about 3625.6065699411. The cubic root of 13145023 is about 236.0045903062.

Adding to 13145023 its reverse (32054131), we get a palindrome (45199154).

It can be divided in two parts, 131 and 45023, that added together give a palindrome (45154).

The spelling of 13145023 in words is "thirteen million, one hundred forty-five thousand, twenty-three".