201240473 has 16 divisors (see below), whose sum is σ = 237659136. Its totient is φ = 166818960.

The previous prime is 201240467. The next prime is 201240493. The reversal of 201240473 is 374042102.

It is not a de Polignac number, because 201240473 - 2⁸ = 201240217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201240493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27758 + ... + 34248.

It is an arithmetic number, because the mean of its divisors is an integer number (14853696).

Almost surely, 2^201240473 is an apocalyptic number.

It is an amenable number.

201240473 is a deficient number, since it is larger than the sum of its proper divisors (36418663).

201240473 is a wasteful number, since it uses less digits than its factorization.

201240473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 201240473 is about 14185.9251725081. The cubic root of 201240473 is about 586.0101115721.

Adding to 201240473 its reverse (374042102), we get a palindrome (575282575).

The spelling of 201240473 in words is "two hundred one million, two hundred forty thousand, four hundred seventy-three".