23001322133213 has 4 divisors (see below), whose sum is σ = 23053243854048. Its totient is φ = 22949400412380.

The previous prime is 23001322133189. The next prime is 23001322133299. The reversal of 23001322133213 is 31233122310032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23001322133213 - 2²² = 23001317938909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001322135213) 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, 25960859753 + ... + 25960860638.

It is an arithmetic number, because the mean of its divisors is an integer number (5763310963512).

Almost surely, 2^{23001322133213} is an apocalyptic number.

It is an amenable number.

23001322133213 is a deficient number, since it is larger than the sum of its proper divisors (51921720835).

23001322133213 is an equidigital number, since it uses as much as digits as its factorization.

23001322133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51921720834.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23001322133213 its reverse (31233122310032), we get a palindrome (54234444443245).

The spelling of 23001322133213 in words is "twenty-three trillion, one billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred thirteen".