243213001423 has 8 divisors (see below), whose sum is σ = 281765356448. Its totient is φ = 205612556544.

The previous prime is 243213001403. The next prime is 243213001433. The reversal of 243213001423 is 324100312342.

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 243213001423 - 2³³ = 234623066831 is a prime.

It is a super-2 number, since 2×243213001423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243213001403) 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, 237976986 + ... + 237978007.

It is an arithmetic number, because the mean of its divisors is an integer number (35220669556).

Almost surely, 2^243213001423 is an apocalyptic number.

243213001423 is a deficient number, since it is larger than the sum of its proper divisors (38552355025).

243213001423 is an equidigital number, since it uses as much as digits as its factorization.

243213001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475955073.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243213001423 its reverse (324100312342), we get a palindrome (567313313765).

The spelling of 243213001423 in words is "two hundred forty-three billion, two hundred thirteen million, one thousand, four hundred twenty-three".