13023051123 has 16 divisors (see below), whose sum is σ = 17554664736. Its totient is φ = 8586854400.

The previous prime is 13023051121. The next prime is 13023051131. The reversal of 13023051123 is 32115032031.

It is not a de Polignac number, because 13023051123 - 2¹ = 13023051121 is a prime.

It is a super-4 number, since 4×13023051123⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13023051123.

It is not an unprimeable number, because it can be changed into a prime (13023051121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451915 + ... + 479867.

It is an arithmetic number, because the mean of its divisors is an integer number (1097166546).

Almost surely, 2^13023051123 is an apocalyptic number.

13023051123 is a deficient number, since it is larger than the sum of its proper divisors (4531613613).

13023051123 is a wasteful number, since it uses less digits than its factorization.

13023051123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29654.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13023051123 its reverse (32115032031), we get a palindrome (45138083154).

The spelling of 13023051123 in words is "thirteen billion, twenty-three million, fifty-one thousand, one hundred twenty-three".