43123461696 has 420 divisors, whose sum is σ = 148785998592. Its totient is φ = 12097714176.

The previous prime is 43123461683. The next prime is 43123461697. The reversal of 43123461696 is 69616432134.

43123461696 is a `hidden beast` number, since 4 + 3 + 1 + 23 + 4 + 616 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43123461697) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 193378641 + ... + 193378863.

Almost surely, 2^43123461696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43123461696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74392999296).

43123461696 is an abundant number, since it is smaller than the sum of its proper divisors (105662536896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43123461696 is an equidigital number, since it uses as much as digits as its factorization.

43123461696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 308 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The spelling of 43123461696 in words is "forty-three billion, one hundred twenty-three million, four hundred sixty-one thousand, six hundred ninety-six".