201140023401 has 48 divisors (see below), whose sum is σ = 297389102400. Its totient is φ = 130962801024.

The previous prime is 201140023387. The next prime is 201140023439. The reversal of 201140023401 is 104320041102.

201140023401 is a `hidden beast` number, since 20 + 11 + 400 + 234 + 0 + 1 = 666.

It is not a de Polignac number, because 201140023401 - 2¹⁸ = 201139761257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201140023001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56705310 + ... + 56708856.

It is an arithmetic number, because the mean of its divisors is an integer number (6195606300).

Almost surely, 2^201140023401 is an apocalyptic number.

It is an amenable number.

201140023401 is a deficient number, since it is larger than the sum of its proper divisors (96249078999).

201140023401 is a wasteful number, since it uses less digits than its factorization.

201140023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278 (or 4275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201140023401 its reverse (104320041102), we get a palindrome (305460064503).

The spelling of 201140023401 in words is "two hundred one billion, one hundred forty million, twenty-three thousand, four hundred one".