23333021197 has 2 divisors, whose sum is σ = 23333021198. Its totient is φ = 23333021196.

The previous prime is 23333021191. The next prime is 23333021213. The reversal of 23333021197 is 79112033332.

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., 22275861001 + 1057160196 = 149251^2 + 32514^2 .

It is a cyclic number.

It is not a de Polignac number, because 23333021197 - 2³ = 23333021189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23333021191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11666510598 + 11666510599.

It is an arithmetic number, because the mean of its divisors is an integer number (11666510599).

Almost surely, 2^23333021197 is an apocalyptic number.

It is an amenable number.

23333021197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23333021197 is an equidigital number, since it uses as much as digits as its factorization.

23333021197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 23333021197 in words is "twenty-three billion, three hundred thirty-three million, twenty-one thousand, one hundred ninety-seven".