13121121323023 has 8 divisors (see below), whose sum is σ = 14995593654048. Its totient is φ = 11246655598944.

The previous prime is 13121121322999. The next prime is 13121121323041. The reversal of 13121121323023 is 32032312112131.

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 13121121323023 - 2³⁷ = 12983682369551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121121353023) 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, 3806265 + ... + 6381997.

It is an arithmetic number, because the mean of its divisors is an integer number (1874449206756).

Almost surely, 2^{13121121323023} is an apocalyptic number.

13121121323023 is a deficient number, since it is larger than the sum of its proper divisors (1874472331025).

13121121323023 is an equidigital number, since it uses as much as digits as its factorization.

13121121323023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303473.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13121121323023 its reverse (32032312112131), we get a palindrome (45153433435154).

The spelling of 13121121323023 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred twenty-three thousand, twenty-three".