23012020201 has 4 divisors (see below), whose sum is σ = 23107506004. Its totient is φ = 22916534400.

The previous prime is 23012020193. The next prime is 23012020253. The reversal of 23012020201 is 10202021032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15140072025 + 7871948176 = 123045^2 + 88724^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012020201 - 2³ = 23012020193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23012020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47742540 + ... + 47743021.

It is an arithmetic number, because the mean of its divisors is an integer number (5776876501).

Almost surely, 2^23012020201 is an apocalyptic number.

It is an amenable number.

23012020201 is a deficient number, since it is larger than the sum of its proper divisors (95485803).

23012020201 is an equidigital number, since it uses as much as digits as its factorization.

23012020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95485802.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23012020201 its reverse (10202021032), we get a palindrome (33214041233).

The spelling of 23012020201 in words is "twenty-three billion, twelve million, twenty thousand, two hundred one".