243213888054 has 8 divisors (see below), whose sum is σ = 486427776120. Its totient is φ = 81071296016.

The previous prime is 243213888053. The next prime is 243213888097. The reversal of 243213888054 is 450888312342.

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

243213888054 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 243213887994 and 243213888012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243213888053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20267823999 + ... + 20267824010.

It is an arithmetic number, because the mean of its divisors is an integer number (60803472015).

Almost surely, 2^243213888054 is an apocalyptic number.

243213888054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243213888054 is a wasteful number, since it uses less digits than its factorization.

243213888054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40535648014.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 243213888054 in words is "two hundred forty-three billion, two hundred thirteen million, eight hundred eighty-eight thousand, fifty-four".