23133300997 has 2 divisors, whose sum is σ = 23133300998. Its totient is φ = 23133300996.

The previous prime is 23133300991. The next prime is 23133301001. The reversal of 23133300997 is 79900333132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22677649281 + 455651716 = 150591^2 + 21346^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133300997 - 2²³ = 23124912389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133300991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566650498 + 11566650499.

It is an arithmetic number, because the mean of its divisors is an integer number (11566650499).

Almost surely, 2^23133300997 is an apocalyptic number.

It is an amenable number.

23133300997 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133300997 is an equidigital number, since it uses as much as digits as its factorization.

23133300997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The spelling of 23133300997 in words is "twenty-three billion, one hundred thirty-three million, three hundred thousand, nine hundred ninety-seven".