31223540115123 has 8 divisors (see below), whose sum is σ = 41676687571200. Its totient is φ = 20793043034568.

The previous prime is 31223540115107. The next prime is 31223540115133. The reversal of 31223540115123 is 32151104532213.

It is a happy number.

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

It is not a de Polignac number, because 31223540115123 - 2⁴ = 31223540115107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31223540115133) 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, 5662590663 + ... + 5662596176.

It is an arithmetic number, because the mean of its divisors is an integer number (5209585946400).

Almost surely, 2^{31223540115123} is an apocalyptic number.

31223540115123 is a deficient number, since it is larger than the sum of its proper divisors (10453147456077).

31223540115123 is a wasteful number, since it uses less digits than its factorization.

31223540115123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325187761.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 31223540115123 its reverse (32151104532213), we get a palindrome (63374644647336).

The spelling of 31223540115123 in words is "thirty-one trillion, two hundred twenty-three billion, five hundred forty million, one hundred fifteen thousand, one hundred twenty-three".