43401223231311 has 32 divisors (see below), whose sum is σ = 63228348057600. Its totient is φ = 26262402733280.

The previous prime is 43401223231273. The next prime is 43401223231351. The reversal of 43401223231311 is 11313232210434.

It is a cyclic number.

It is not a de Polignac number, because 43401223231311 - 2²⁵ = 43401189676879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43401223231351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494461150 + ... + 494548916.

It is an arithmetic number, because the mean of its divisors is an integer number (1975885876800).

Almost surely, 2^{43401223231311} is an apocalyptic number.

43401223231311 is a deficient number, since it is larger than the sum of its proper divisors (19827124826289).

43401223231311 is a wasteful number, since it uses less digits than its factorization.

43401223231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111179.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 43401223231311 its reverse (11313232210434), we get a palindrome (54714455441745).

The spelling of 43401223231311 in words is "forty-three trillion, four hundred one billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred eleven".