43423090000 has 50 divisors (see below), whose sum is σ = 105131667410. Its totient is φ = 17369232000.

The previous prime is 43423089989. The next prime is 43423090013. The reversal of 43423090000 is 9032434.

It can be written as a sum of positive squares in 5 ways, for example, as 8978699536 + 34444390464 = 94756^2 + 185592^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2161155 + ... + 2181154.

Almost surely, 2^43423090000 is an apocalyptic number.

43423090000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43423090000 is an abundant number, since it is smaller than the sum of its proper divisors (61708577410).

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

43423090000 is an equidigital number, since it uses as much as digits as its factorization.

43423090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342337 (or 4342316 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 43423090000 in words is "forty-three billion, four hundred twenty-three million, ninety thousand".