123426353 has 2 divisors, whose sum is σ = 123426354. Its totient is φ = 123426352.

The previous prime is 123426311. The next prime is 123426377. The reversal of 123426353 is 353624321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109348849 + 14077504 = 10457^2 + 3752^2 .

It is a cyclic number.

It is not a de Polignac number, because 123426353 - 2¹⁰ = 123425329 is a prime.

It is a super-2 number, since 2×123426353² = 30468129229761218, which contains 22 as substring.

It is equal to p_7025582 and since 123426353 and 7025582 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123426553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61713176 + 61713177.

It is an arithmetic number, because the mean of its divisors is an integer number (61713177).

Almost surely, 2^123426353 is an apocalyptic number.

It is an amenable number.

123426353 is a deficient number, since it is larger than the sum of its proper divisors (1).

123426353 is an equidigital number, since it uses as much as digits as its factorization.

123426353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 123426353 is about 11109.7413561253. The cubic root of 123426353 is about 497.8929370444.

The spelling of 123426353 in words is "one hundred twenty-three million, four hundred twenty-six thousand, three hundred fifty-three".