13123111024 has 20 divisors (see below), whose sum is σ = 25442302144. Its totient is φ = 6557355648.

The previous prime is 13123111021. The next prime is 13123111037. The reversal of 13123111024 is 42011132131.

It is a junction number, because it is equal to n+sod(n) for n = 13123110992 and 13123111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123111021) 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, 236637 + ... + 286780.

Almost surely, 2^13123111024 is an apocalyptic number.

It is an amenable number.

13123111024 is a deficient number, since it is larger than the sum of its proper divisors (12319191120).

13123111024 is a wasteful number, since it uses less digits than its factorization.

13123111024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524992 (or 524986 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13123111024 its reverse (42011132131), we get a palindrome (55134243155).

The spelling of 13123111024 in words is "thirteen billion, one hundred twenty-three million, one hundred eleven thousand, twenty-four".