13223231697 has 32 divisors (see below), whose sum is σ = 19997712000. Its totient is φ = 7704778752.

The previous prime is 13223231683. The next prime is 13223231699. The reversal of 13223231697 is 79613232231.

It is not a de Polignac number, because 13223231697 - 2¹⁰ = 13223230673 is a prime.

It is a super-3 number, since 3×13223231697³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13223231699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1724929 + ... + 1732577.

It is an arithmetic number, because the mean of its divisors is an integer number (624928500).

Almost surely, 2^13223231697 is an apocalyptic number.

It is an amenable number.

13223231697 is a deficient number, since it is larger than the sum of its proper divisors (6774480303).

13223231697 is a wasteful number, since it uses less digits than its factorization.

13223231697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

The product of its digits is 81648, while the sum is 39.

The spelling of 13223231697 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, six hundred ninety-seven".