201242210023 has 8 divisors (see below), whose sum is σ = 203343278768. Its totient is φ = 199141680384.

The previous prime is 201242210021. The next prime is 201242210027. The reversal of 201242210023 is 320012242102.

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 201242210023 - 2¹ = 201242210021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201242210021) 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, 638740 + ... + 900262.

It is an arithmetic number, because the mean of its divisors is an integer number (25417909846).

Almost surely, 2^201242210023 is an apocalyptic number.

201242210023 is a deficient number, since it is larger than the sum of its proper divisors (2101068745).

201242210023 is an equidigital number, since it uses as much as digits as its factorization.

201242210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269553.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201242210023 its reverse (320012242102), we get a palindrome (521254452125).

The spelling of 201242210023 in words is "two hundred one billion, two hundred forty-two million, two hundred ten thousand, twenty-three".