43243140020501 has 16 divisors (see below), whose sum is σ = 45817083912960. Its totient is φ = 40672560119040.

The previous prime is 43243140020411. The next prime is 43243140020567. The reversal of 43243140020501 is 10502004134234.

It is a cyclic number.

It is not a de Polignac number, because 43243140020501 - 2¹⁴ = 43243140004117 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 (43243140020401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289997975 + ... + 290147051.

It is an arithmetic number, because the mean of its divisors is an integer number (2863567744560).

Almost surely, 2^{43243140020501} is an apocalyptic number.

It is an amenable number.

43243140020501 is a deficient number, since it is larger than the sum of its proper divisors (2573943892459).

43243140020501 is a wasteful number, since it uses less digits than its factorization.

43243140020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160244.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 43243140020501 its reverse (10502004134234), we get a palindrome (53745144154735).

The spelling of 43243140020501 in words is "forty-three trillion, two hundred forty-three billion, one hundred forty million, twenty thousand, five hundred one".