123470473549 has 2 divisors, whose sum is σ = 123470473550. Its totient is φ = 123470473548.

The previous prime is 123470473537. The next prime is 123470473783. The reversal of 123470473549 is 945374074321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84071002500 + 39399471049 = 289950^2 + 198493^2 .

It is a cyclic number.

It is not a de Polignac number, because 123470473549 - 2¹⁷ = 123470342477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123470473349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61735236774 + 61735236775.

It is an arithmetic number, because the mean of its divisors is an integer number (61735236775).

Almost surely, 2^123470473549 is an apocalyptic number.

It is an amenable number.

123470473549 is a deficient number, since it is larger than the sum of its proper divisors (1).

123470473549 is an equidigital number, since it uses as much as digits as its factorization.

123470473549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 123470473549 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred seventy-three thousand, five hundred forty-nine".