123304501 has 2 divisors, whose sum is σ = 123304502. Its totient is φ = 123304500.

The previous prime is 123304483. The next prime is 123304523. The reversal of 123304501 is 105403321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 25492401 = 9890^2 + 5049^2 .

It is a cyclic number.

It is not a de Polignac number, because 123304501 - 2⁵ = 123304469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123304561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61652250 + 61652251.

It is an arithmetic number, because the mean of its divisors is an integer number (61652251).

Almost surely, 2^123304501 is an apocalyptic number.

It is an amenable number.

123304501 is a deficient number, since it is larger than the sum of its proper divisors (1).

123304501 is an equidigital number, since it uses as much as digits as its factorization.

123304501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 123304501 is about 11104.2559858822. The cubic root of 123304501 is about 497.7290357252.

Adding to 123304501 its reverse (105403321), we get a palindrome (228707822).

The spelling of 123304501 in words is "one hundred twenty-three million, three hundred four thousand, five hundred one".