23303453 has 2 divisors, whose sum is σ = 23303454. Its totient is φ = 23303452.

The previous prime is 23303431. The next prime is 23303477. The reversal of 23303453 is 35430332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 1194649 = 4702^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303453 - 2⁶ = 23303389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23303653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651726 + 11651727.

It is an arithmetic number, because the mean of its divisors is an integer number (11651727).

Almost surely, 2^23303453 is an apocalyptic number.

It is an amenable number.

23303453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303453 is an equidigital number, since it uses as much as digits as its factorization.

23303453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 23303453 is about 4827.3650162382. The cubic root of 23303453 is about 285.6319331583.

Adding to 23303453 its reverse (35430332), we get a palindrome (58733785).

The spelling of 23303453 in words is "twenty-three million, three hundred three thousand, four hundred fifty-three".