31233120020023 has 8 divisors (see below), whose sum is σ = 34508204216928. Its totient is φ = 28117796027904.

The previous prime is 31233120019993. The next prime is 31233120020029. The reversal of 31233120020023 is 32002002133213.

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 31233120020023 - 2⁵ = 31233120019991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31233120019976 and 31233120020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233120020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39940050786 + ... + 39940051567.

It is an arithmetic number, because the mean of its divisors is an integer number (4313525527116).

Almost surely, 2^{31233120020023} is an apocalyptic number.

31233120020023 is a deficient number, since it is larger than the sum of its proper divisors (3275084196905).

31233120020023 is a wasteful number, since it uses less digits than its factorization.

31233120020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79880102393.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31233120020023 its reverse (32002002133213), we get a palindrome (63235122153236).

The spelling of 31233120020023 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred twenty million, twenty thousand, twenty-three".