43452345221403 has 8 divisors (see below), whose sum is σ = 59349544692816. Its totient is φ = 28261687948800.

The previous prime is 43452345221347. The next prime is 43452345221473. The reversal of 43452345221403 is 30412254325434.

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

It is not a de Polignac number, because 43452345221403 - 2⁶ = 43452345221339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43452345221473) 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, 176635549558 + ... + 176635549803.

It is an arithmetic number, because the mean of its divisors is an integer number (7418693086602).

Almost surely, 2^{43452345221403} is an apocalyptic number.

43452345221403 is a deficient number, since it is larger than the sum of its proper divisors (15897199471413).

43452345221403 is a wasteful number, since it uses less digits than its factorization.

43452345221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353271099405.

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 43452345221403 its reverse (30412254325434), we get a palindrome (73864599546837).

The spelling of 43452345221403 in words is "forty-three trillion, four hundred fifty-two billion, three hundred forty-five million, two hundred twenty-one thousand, four hundred three".