123040452323 has 2 divisors, whose sum is σ = 123040452324. Its totient is φ = 123040452322.

The previous prime is 123040452313. The next prime is 123040452331. The reversal of 123040452323 is 323254040321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123040452323 - 2⁶ = 123040452259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123040452313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61520226161 + 61520226162.

It is an arithmetic number, because the mean of its divisors is an integer number (61520226162).

Almost surely, 2^123040452323 is an apocalyptic number.

123040452323 is a deficient number, since it is larger than the sum of its proper divisors (1).

123040452323 is an equidigital number, since it uses as much as digits as its factorization.

123040452323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 123040452323 its reverse (323254040321), we get a palindrome (446294492644).

The spelling of 123040452323 in words is "one hundred twenty-three billion, forty million, four hundred fifty-two thousand, three hundred twenty-three".