23202397 has 2 divisors, whose sum is σ = 23202398. Its totient is φ = 23202396.

The previous prime is 23202391. The next prime is 23202419. The reversal of 23202397 is 79320232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22982436 + 219961 = 4794^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202397 - 2¹⁹ = 22678109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601198 + 11601199.

It is an arithmetic number, because the mean of its divisors is an integer number (11601199).

Almost surely, 2^23202397 is an apocalyptic number.

It is an amenable number.

23202397 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202397 is an equidigital number, since it uses as much as digits as its factorization.

23202397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23202397 is about 4816.8866501092. The cubic root of 23202397 is about 285.2184515771.

The spelling of 23202397 in words is "twenty-three million, two hundred two thousand, three hundred ninety-seven".