243125432101 has 4 divisors (see below), whose sum is σ = 243140778400. Its totient is φ = 243110085804.

The previous prime is 243125432089. The next prime is 243125432113. The reversal of 243125432101 is 101234521342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (243125432089) and next prime (243125432113).

It is a cyclic number.

It is not a de Polignac number, because 243125432101 - 2¹³ = 243125423909 is a prime.

It is a super-2 number, since 2×243125432101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243125432101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243125432171) 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, 7649361 + ... + 7681078.

It is an arithmetic number, because the mean of its divisors is an integer number (60785194600).

Almost surely, 2^243125432101 is an apocalyptic number.

It is an amenable number.

243125432101 is a deficient number, since it is larger than the sum of its proper divisors (15346299).

243125432101 is a wasteful number, since it uses less digits than its factorization.

243125432101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15346298.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 243125432101 its reverse (101234521342), we get a palindrome (344359953443).

The spelling of 243125432101 in words is "two hundred forty-three billion, one hundred twenty-five million, four hundred thirty-two thousand, one hundred one".