123604754573 has 2 divisors, whose sum is σ = 123604754574. Its totient is φ = 123604754572.

The previous prime is 123604754527. The next prime is 123604754587. The reversal of 123604754573 is 375457406321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123455255044 + 149499529 = 351362^2 + 12227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123604754573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123604754173) 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, 61802377286 + 61802377287.

It is an arithmetic number, because the mean of its divisors is an integer number (61802377287).

Almost surely, 2^123604754573 is an apocalyptic number.

It is an amenable number.

123604754573 is a deficient number, since it is larger than the sum of its proper divisors (1).

123604754573 is an equidigital number, since it uses as much as digits as its factorization.

123604754573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 123604754573 in words is "one hundred twenty-three billion, six hundred four million, seven hundred fifty-four thousand, five hundred seventy-three".