243023024399 has 8 divisors (see below), whose sum is σ = 253647595152. Its totient is φ = 232622128960.

The previous prime is 243023024389. The next prime is 243023024401. The reversal of 243023024399 is 993420320342.

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

It is a cyclic number.

It is not a de Polignac number, because 243023024399 - 2²⁸ = 242754588943 is a prime.

It is a super-2 number, since 2×243023024399² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243023024389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55916609 + ... + 55920954.

It is an arithmetic number, because the mean of its divisors is an integer number (31705949394).

Almost surely, 2^243023024399 is an apocalyptic number.

243023024399 is a deficient number, since it is larger than the sum of its proper divisors (10624570753).

243023024399 is a wasteful number, since it uses less digits than its factorization.

243023024399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111837657.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 243023024399 in words is "two hundred forty-three billion, twenty-three million, twenty-four thousand, three hundred ninety-nine".