23203213393 has 2 divisors, whose sum is σ = 23203213394. Its totient is φ = 23203213392.

The previous prime is 23203213391. The next prime is 23203213417. The reversal of 23203213393 is 39331230232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23093969089 + 109244304 = 151967^2 + 10452^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203213393 - 2¹ = 23203213391 is a prime.

It is a super-2 number, since 2×23203213393² (a number of 22 digits) contains 22 as substring.

Together with 23203213391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23203213391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601606696 + 11601606697.

It is an arithmetic number, because the mean of its divisors is an integer number (11601606697).

Almost surely, 2^23203213393 is an apocalyptic number.

It is an amenable number.

23203213393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203213393 is an equidigital number, since it uses as much as digits as its factorization.

23203213393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 23203213393 in words is "twenty-three billion, two hundred three million, two hundred thirteen thousand, three hundred ninety-three".