123416444461 has 8 divisors (see below), whose sum is σ = 125557074200. Its totient is φ = 121279602240.

The previous prime is 123416444443. The next prime is 123416444477. The reversal of 123416444461 is 164444614321.

It can be written as a sum of positive squares in 4 ways, for example, as 8970025 + 123407474436 = 2995^2 + 351294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123416444461 - 2⁹ = 123416443949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123416444401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881106 + ... + 1011523.

It is an arithmetic number, because the mean of its divisors is an integer number (15694634275).

Almost surely, 2^123416444461 is an apocalyptic number.

It is an amenable number.

123416444461 is a deficient number, since it is larger than the sum of its proper divisors (2140629739).

123416444461 is a wasteful number, since it uses less digits than its factorization.

123416444461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893759.

The product of its digits is 221184, while the sum is 40.

The spelling of 123416444461 in words is "one hundred twenty-three billion, four hundred sixteen million, four hundred forty-four thousand, four hundred sixty-one".