203440142302401 has 8 divisors (see below), whose sum is σ = 271419224678784. Its totient is φ = 135543910730480.

The previous prime is 203440142302387. The next prime is 203440142302409. The reversal of 203440142302401 is 104203241044302.

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 203440142302401 - 2⁴³ = 194644049280193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203440142302409) 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, 20712695385 + ... + 20712705206.

It is an arithmetic number, because the mean of its divisors is an integer number (33927403084848).

Almost surely, 2^{203440142302401} is an apocalyptic number.

It is an amenable number.

203440142302401 is a deficient number, since it is larger than the sum of its proper divisors (67979082376383).

203440142302401 is a wasteful number, since it uses less digits than its factorization.

203440142302401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41425402231.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203440142302401 its reverse (104203241044302), we get a palindrome (307643383346703).

The spelling of 203440142302401 in words is "two hundred three trillion, four hundred forty billion, one hundred forty-two million, three hundred two thousand, four hundred one".