123444340352 has 16 divisors (see below), whose sum is σ = 245924272050. Its totient is φ = 61722170112.

The previous prime is 123444340319. The next prime is 123444340363. The reversal of 123444340352 is 253043444321.

It can be written as a sum of positive squares in only one way, i.e., 102999916096 + 20444424256 = 320936^2 + 142984^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

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, 482204327 + ... + 482204582.

Almost surely, 2^123444340352 is an apocalyptic number.

It is an amenable number.

123444340352 is a deficient number, since it is larger than the sum of its proper divisors (122479931698).

123444340352 is an frugal number, since it uses more digits than its factorization.

123444340352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964408923 (or 964408911 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 123444340352 its reverse (253043444321), we get a palindrome (376487784673).

The spelling of 123444340352 in words is "one hundred twenty-three billion, four hundred forty-four million, three hundred forty thousand, three hundred fifty-two".