123224351 has 2 divisors, whose sum is σ = 123224352. Its totient is φ = 123224350.

The previous prime is 123224293. The next prime is 123224371. The reversal of 123224351 is 153422321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123224351 - 2²² = 119030047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123224371) 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, 61612175 + 61612176.

It is an arithmetic number, because the mean of its divisors is an integer number (61612176).

Almost surely, 2^123224351 is an apocalyptic number.

123224351 is a deficient number, since it is larger than the sum of its proper divisors (1).

123224351 is an equidigital number, since it uses as much as digits as its factorization.

123224351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 123224351 is about 11100.6464226188. The cubic root of 123224351 is about 497.6211682678.

Adding to 123224351 its reverse (153422321), we get a palindrome (276646672).

The spelling of 123224351 in words is "one hundred twenty-three million, two hundred twenty-four thousand, three hundred fifty-one".