13123023143 has 8 divisors (see below), whose sum is σ = 13303246080. Its totient is φ = 12943153080.

The previous prime is 13123023103. The next prime is 13123023149. The reversal of 13123023143 is 34132032131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13123023143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123023149) 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, 12893 + ... + 162518.

It is an arithmetic number, because the mean of its divisors is an integer number (1662905760).

Almost surely, 2^13123023143 is an apocalyptic number.

13123023143 is a deficient number, since it is larger than the sum of its proper divisors (180222937).

13123023143 is an equidigital number, since it uses as much as digits as its factorization.

13123023143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176437.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13123023143 its reverse (34132032131), we get a palindrome (47255055274).

The spelling of 13123023143 in words is "thirteen billion, one hundred twenty-three million, twenty-three thousand, one hundred forty-three".