12023230312091 has 4 divisors (see below), whose sum is σ = 12026135179800. Its totient is φ = 12020325444384.

The previous prime is 12023230312033. The next prime is 12023230312109. The reversal of 12023230312091 is 19021303232021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023230312091 - 2¹⁴ = 12023230295707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023230312991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452427646 + ... + 1452435923.

It is an arithmetic number, because the mean of its divisors is an integer number (3006533794950).

Almost surely, 2^{12023230312091} is an apocalyptic number.

12023230312091 is a deficient number, since it is larger than the sum of its proper divisors (2904867709).

12023230312091 is an equidigital number, since it uses as much as digits as its factorization.

12023230312091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904867708.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 12023230312091 in words is "twelve trillion, twenty-three billion, two hundred thirty million, three hundred twelve thousand, ninety-one".