243320352454 has 8 divisors (see below), whose sum is σ = 374844867408. Its totient is φ = 118372063320.

The previous prime is 243320352439. The next prime is 243320352467. The reversal of 243320352454 is 454253023342.

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644056362 + ... + 1644056509.

It is an arithmetic number, because the mean of its divisors is an integer number (46855608426).

Almost surely, 2^243320352454 is an apocalyptic number.

243320352454 is a deficient number, since it is larger than the sum of its proper divisors (131524514954).

243320352454 is a wasteful number, since it uses less digits than its factorization.

243320352454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288112910.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 243320352454 its reverse (454253023342), we get a palindrome (697573375796).

It can be divided in two parts, 24332035 and 2454, that added together give a square (24334489 = 4933²).

The spelling of 243320352454 in words is "two hundred forty-three billion, three hundred twenty million, three hundred fifty-two thousand, four hundred fifty-four".