13102123 has 4 divisors (see below), whose sum is σ = 13110048. Its totient is φ = 13094200.

The previous prime is 13102099. The next prime is 13102139. The reversal of 13102123 is 32120131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13102123 - 2⁵ = 13102091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13102163) 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, 436 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (3277512).

Almost surely, 2^13102123 is an apocalyptic number.

13102123 is a deficient number, since it is larger than the sum of its proper divisors (7925).

13102123 is an equidigital number, since it uses as much as digits as its factorization.

13102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13102123 is about 3619.6854835745. The cubic root of 13102123 is about 235.7475695533.

Adding to 13102123 its reverse (32120131), we get a palindrome (45222254).

It can be divided in two parts, 131021 and 23, that added together give a square (131044 = 362²).

The spelling of 13102123 in words is "thirteen million, one hundred two thousand, one hundred twenty-three".