201240210023 has 8 divisors (see below), whose sum is σ = 209096624880. Its totient is φ = 193444935040.

The previous prime is 201240210001. The next prime is 201240210079. The reversal of 201240210023 is 320012042102.

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 201240210023 - 2⁶ = 201240209959 is a prime.

It is a super-3 number, since 3×201240210023³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201240209983 and 201240210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201240212023) 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, 15278258 + ... + 15291423.

It is an arithmetic number, because the mean of its divisors is an integer number (26137078110).

Almost surely, 2^201240210023 is an apocalyptic number.

201240210023 is a deficient number, since it is larger than the sum of its proper divisors (7856414857).

201240210023 is a wasteful number, since it uses less digits than its factorization.

201240210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30569937.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201240210023 its reverse (320012042102), we get a palindrome (521252252125).

The spelling of 201240210023 in words is "two hundred one billion, two hundred forty million, two hundred ten thousand, twenty-three".