23490353 has 2 divisors, whose sum is σ = 23490354. Its totient is φ = 23490352.

The previous prime is 23490347. The next prime is 23490367. The reversal of 23490353 is 35309432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23348224 + 142129 = 4832^2 + 377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23490353 is a prime.

It is not a weakly prime, because it can be changed into another prime (23490953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11745176 + 11745177.

It is an arithmetic number, because the mean of its divisors is an integer number (11745177).

Almost surely, 2^23490353 is an apocalyptic number.

It is an amenable number.

23490353 is a deficient number, since it is larger than the sum of its proper divisors (1).

23490353 is an equidigital number, since it uses as much as digits as its factorization.

23490353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 23490353 is about 4846.6847432033. The cubic root of 23490353 is about 286.3935158756.

Adding to 23490353 its reverse (35309432), we get a palindrome (58799785).

The spelling of 23490353 in words is "twenty-three million, four hundred ninety thousand, three hundred fifty-three".