101315121323 has 16 divisors (see below), whose sum is σ = 115561668096. Its totient is φ = 87993768960.

The previous prime is 101315121319. The next prime is 101315121331. The reversal of 101315121323 is 323121513101.

It is a cyclic number.

It is not a de Polignac number, because 101315121323 - 2² = 101315121319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101315121223) 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 15 ways as a sum of consecutive naturals, for example, 681815 + ... + 817007.

It is an arithmetic number, because the mean of its divisors is an integer number (7222604256).

Almost surely, 2^101315121323 is an apocalyptic number.

101315121323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101315121323 is a deficient number, since it is larger than the sum of its proper divisors (14246546773).

101315121323 is a wasteful number, since it uses less digits than its factorization.

101315121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138614.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 101315121323 its reverse (323121513101), we get a palindrome (424436634424).

The spelling of 101315121323 in words is "one hundred one billion, three hundred fifteen million, one hundred twenty-one thousand, three hundred twenty-three".