31123132032423 has 8 divisors (see below), whose sum is σ = 41580670720000. Its totient is φ = 20707174016568.

The previous prime is 31123132032413. The next prime is 31123132032463. The reversal of 31123132032423 is 32423023132113.

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

It is not a de Polignac number, because 31123132032423 - 2²⁸ = 31122863596967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31123132032413) 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, 10395166183 + ... + 10395169176.

It is an arithmetic number, because the mean of its divisors is an integer number (5197583840000).

Almost surely, 2^{31123132032423} is an apocalyptic number.

31123132032423 is a deficient number, since it is larger than the sum of its proper divisors (10457538687577).

31123132032423 is a wasteful number, since it uses less digits than its factorization.

31123132032423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790335861.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31123132032423 its reverse (32423023132113), we get a palindrome (63546155164536).

The spelling of 31123132032423 in words is "thirty-one trillion, one hundred twenty-three billion, one hundred thirty-two million, thirty-two thousand, four hundred twenty-three".