243403140412033 has 24 divisors (see below), whose sum is σ = 283193037894624. Its totient is φ = 208593976550400.

The previous prime is 243403140412001. The next prime is 243403140412049. The reversal of 243403140412033 is 330214041304342.

It is not a de Polignac number, because 243403140412033 - 2⁵ = 243403140412001 is a prime.

It is a super-2 number, since 2×243403140412033² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243403140412033.

It is not an unprimeable number, because it can be changed into a prime (243403140412093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11741012278 + ... + 11741033008.

It is an arithmetic number, because the mean of its divisors is an integer number (11799709912276).

Almost surely, 2^{243403140412033} is an apocalyptic number.

It is an amenable number.

243403140412033 is a deficient number, since it is larger than the sum of its proper divisors (39789897482591).

243403140412033 is a wasteful number, since it uses less digits than its factorization.

243403140412033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52013 (or 52006 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 243403140412033 its reverse (330214041304342), we get a palindrome (573617181716375).

The spelling of 243403140412033 in words is "two hundred forty-three trillion, four hundred three billion, one hundred forty million, four hundred twelve thousand, thirty-three".