123474332749 has 2 divisors, whose sum is σ = 123474332750. Its totient is φ = 123474332748.

The previous prime is 123474332713. The next prime is 123474332801. The reversal of 123474332749 is 947233474321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89685275625 + 33789057124 = 299475^2 + 183818^2 .

It is a cyclic number.

It is not a de Polignac number, because 123474332749 - 2¹⁵ = 123474299981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123474335749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61737166374 + 61737166375.

It is an arithmetic number, because the mean of its divisors is an integer number (61737166375).

Almost surely, 2^123474332749 is an apocalyptic number.

It is an amenable number.

123474332749 is a deficient number, since it is larger than the sum of its proper divisors (1).

123474332749 is an equidigital number, since it uses as much as digits as its factorization.

123474332749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 49.

The spelling of 123474332749 in words is "one hundred twenty-three billion, four hundred seventy-four million, three hundred thirty-two thousand, seven hundred forty-nine".