91130213323 has 16 divisors (see below), whose sum is σ = 98515008000. Its totient is φ = 84024797472.

The previous prime is 91130213297. The next prime is 91130213353. The reversal of 91130213323 is 32331203119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91130213323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91130213291 and 91130213300.

It is not an unprimeable number, because it can be changed into a prime (91130213353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125208 + ... + 444901.

It is an arithmetic number, because the mean of its divisors is an integer number (6157188000).

Almost surely, 2^91130213323 is an apocalyptic number.

91130213323 is a deficient number, since it is larger than the sum of its proper divisors (7384794677).

91130213323 is a wasteful number, since it uses less digits than its factorization.

91130213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570354.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 91130213323 in words is "ninety-one billion, one hundred thirty million, two hundred thirteen thousand, three hundred twenty-three".