243102407230401 has 4 divisors (see below), whose sum is σ = 324136542973872. Its totient is φ = 162068271486932.

The previous prime is 243102407230399. The next prime is 243102407230429. The reversal of 243102407230401 is 104032704201342.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 243102407230401 - 2¹ = 243102407230399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243102407230451) 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, 40517067871731 + ... + 40517067871736.

It is an arithmetic number, because the mean of its divisors is an integer number (81034135743468).

Almost surely, 2^{243102407230401} is an apocalyptic number.

It is an amenable number.

243102407230401 is a deficient number, since it is larger than the sum of its proper divisors (81034135743471).

243102407230401 is an equidigital number, since it uses as much as digits as its factorization.

243102407230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81034135743470.

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 243102407230401 in words is "two hundred forty-three trillion, one hundred two billion, four hundred seven million, two hundred thirty thousand, four hundred one".