23011210001 has 4 divisors (see below), whose sum is σ = 24781303092. Its totient is φ = 21241116912.

The previous prime is 23011209997. The next prime is 23011210037. The reversal of 23011210001 is 10001211032.

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 9040206400 + 13971003601 = 95080^2 + 118199^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011210001 - 2² = 23011209997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23011210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885046526 + ... + 885046551.

It is an arithmetic number, because the mean of its divisors is an integer number (6195325773).

Almost surely, 2^23011210001 is an apocalyptic number.

It is an amenable number.

23011210001 is a deficient number, since it is larger than the sum of its proper divisors (1770093091).

23011210001 is a wasteful number, since it uses less digits than its factorization.

23011210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770093090.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 23011210001 its reverse (10001211032), we get a palindrome (33012421033).

The spelling of 23011210001 in words is "twenty-three billion, eleven million, two hundred ten thousand, one".