23213001343381 has 2 divisors, whose sum is σ = 23213001343382. Its totient is φ = 23213001343380.

The previous prime is 23213001343373. The next prime is 23213001343439. The reversal of 23213001343381 is 18334310031232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22189130565156 + 1023870778225 = 4710534^2 + 1011865^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213001343381 - 2³ = 23213001343373 is a prime.

It is a super-2 number, since 2×23213001343381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213001343681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606500671690 + 11606500671691.

It is an arithmetic number, because the mean of its divisors is an integer number (11606500671691).

Almost surely, 2^{23213001343381} is an apocalyptic number.

It is an amenable number.

23213001343381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213001343381 is an equidigital number, since it uses as much as digits as its factorization.

23213001343381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 23213001343381 in words is "twenty-three trillion, two hundred thirteen billion, one million, three hundred forty-three thousand, three hundred eighty-one".