123258353 has 2 divisors, whose sum is σ = 123258354. Its totient is φ = 123258352.

The previous prime is 123258307. The next prime is 123258367. The reversal of 123258353 is 353852321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113379904 + 9878449 = 10648^2 + 3143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123258353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123228353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61629176 + 61629177.

It is an arithmetic number, because the mean of its divisors is an integer number (61629177).

Almost surely, 2^123258353 is an apocalyptic number.

It is an amenable number.

123258353 is a deficient number, since it is larger than the sum of its proper divisors (1).

123258353 is an equidigital number, since it uses as much as digits as its factorization.

123258353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 123258353 is about 11102.1778494132. The cubic root of 123258353 is about 497.6669345436. Note that the first 3 decimals are identical.

The spelling of 123258353 in words is "one hundred twenty-three million, two hundred fifty-eight thousand, three hundred fifty-three".