243122303401 has 8 divisors (see below), whose sum is σ = 244759999104. Its totient is φ = 241489578960.

The previous prime is 243122303399. The next prime is 243122303407. The reversal of 243122303401 is 104303221342.

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 243122303401 - 2¹ = 243122303399 is a prime.

It is a super-2 number, since 2×243122303401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243122303407) 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, 1144650 + ... + 1340323.

It is an arithmetic number, because the mean of its divisors is an integer number (30594999888).

Almost surely, 2^243122303401 is an apocalyptic number.

It is an amenable number.

243122303401 is a deficient number, since it is larger than the sum of its proper divisors (1637695703).

243122303401 is a wasteful number, since it uses less digits than its factorization.

243122303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485631.

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

Adding to 243122303401 its reverse (104303221342), we get a palindrome (347425524743).

The spelling of 243122303401 in words is "two hundred forty-three billion, one hundred twenty-two million, three hundred three thousand, four hundred one".