43234300997 has 4 divisors (see below), whose sum is σ = 43259779596. Its totient is φ = 43208822400.

The previous prime is 43234300987. The next prime is 43234300999. The reversal of 43234300997 is 79900343234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41700090436 + 1534210561 = 204206^2 + 39169^2 .

It is a cyclic number.

It is not a de Polignac number, because 43234300997 - 2¹² = 43234296901 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 (43234300999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12736754 + ... + 12740147.

It is an arithmetic number, because the mean of its divisors is an integer number (10814944899).

Almost surely, 2^43234300997 is an apocalyptic number.

It is an amenable number.

43234300997 is a deficient number, since it is larger than the sum of its proper divisors (25478599).

43234300997 is a wasteful number, since it uses less digits than its factorization.

43234300997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25478598.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 43234300997 in words is "forty-three billion, two hundred thirty-four million, three hundred thousand, nine hundred ninety-seven".