201420123441 has 8 divisors (see below), whose sum is σ = 270362582400. Its totient is φ = 133378873392.

The previous prime is 201420123397. The next prime is 201420123449. The reversal of 201420123441 is 144321024102.

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

It is not a de Polignac number, because 201420123441 - 2¹¹ = 201420121393 is a prime.

It is a super-2 number, since 2×201420123441² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201420123449) 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, 225301705 + ... + 225302598.

It is an arithmetic number, because the mean of its divisors is an integer number (33795322800).

Almost surely, 2^201420123441 is an apocalyptic number.

It is an amenable number.

201420123441 is a deficient number, since it is larger than the sum of its proper divisors (68942458959).

201420123441 is a wasteful number, since it uses less digits than its factorization.

201420123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450604455.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201420123441 its reverse (144321024102), we get a palindrome (345741147543).

The spelling of 201420123441 in words is "two hundred one billion, four hundred twenty million, one hundred twenty-three thousand, four hundred forty-one".