123304523 has 2 divisors, whose sum is σ = 123304524. Its totient is φ = 123304522.

The previous prime is 123304501. The next prime is 123304561. The reversal of 123304523 is 325403321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123304523 - 2⁶ = 123304459 is a prime.

It is not a weakly prime, because it can be changed into another prime (123300523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61652261 + 61652262.

It is an arithmetic number, because the mean of its divisors is an integer number (61652262).

Almost surely, 2^123304523 is an apocalyptic number.

123304523 is a deficient number, since it is larger than the sum of its proper divisors (1).

123304523 is an equidigital number, since it uses as much as digits as its factorization.

123304523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 123304523 is about 11104.2569764933. The cubic root of 123304523 is about 497.7290653268.

Adding to 123304523 its reverse (325403321), we get a palindrome (448707844).

The spelling of 123304523 in words is "one hundred twenty-three million, three hundred four thousand, five hundred twenty-three".