23201357 has 2 divisors, whose sum is σ = 23201358. Its totient is φ = 23201356.

The previous prime is 23201351. The next prime is 23201359. The reversal of 23201357 is 75310232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 343396 = 4781^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201357 - 2⁴ = 23201341 is a prime.

Together with 23201359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600678 + 11600679.

It is an arithmetic number, because the mean of its divisors is an integer number (11600679).

Almost surely, 2^23201357 is an apocalyptic number.

It is an amenable number.

23201357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201357 is an equidigital number, since it uses as much as digits as its factorization.

23201357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 23201357 is about 4816.7786953523. The cubic root of 23201357 is about 285.2141900688.

Adding to 23201357 its reverse (75310232), we get a palindrome (98511589).

The spelling of 23201357 in words is "twenty-three million, two hundred one thousand, three hundred fifty-seven".