13220032123 has 8 divisors (see below), whose sum is σ = 13311567360. Its totient is φ = 13128644520.

The previous prime is 13220032121. The next prime is 13220032159. The reversal of 13220032123 is 32123002231.

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 13220032123 - 2¹ = 13220032121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220032123.

It is not an unprimeable number, because it can be changed into a prime (13220032121) 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, 145918 + ... + 218476.

It is an arithmetic number, because the mean of its divisors is an integer number (1663945920).

Almost surely, 2^13220032123 is an apocalyptic number.

13220032123 is a deficient number, since it is larger than the sum of its proper divisors (91535237).

13220032123 is a wasteful number, since it uses less digits than its factorization.

13220032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73817.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13220032123 its reverse (32123002231), we get a palindrome (45343034354).

The spelling of 13220032123 in words is "thirteen billion, two hundred twenty million, thirty-two thousand, one hundred twenty-three".