23210000001 has 12 divisors (see below), whose sum is σ = 34343252580. Its totient is φ = 15095934720.

The previous prime is 23209999991. The next prime is 23210000003. The reversal of 23210000001 is 10000001232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9025190001 + 14184810000 = 95001^2 + 119100^2 .

It is not a de Polignac number, because 23210000001 - 2¹⁵ = 23209967233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (23210000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31449496 + ... + 31450233.

It is an arithmetic number, because the mean of its divisors is an integer number (2861937715).

Almost surely, 2^23210000001 is an apocalyptic number.

It is an amenable number.

23210000001 is a deficient number, since it is larger than the sum of its proper divisors (11133252579).

23210000001 is a wasteful number, since it uses less digits than its factorization.

23210000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62899776 (or 62899773 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 23210000001 its reverse (10000001232), we get a palindrome (33210001233).

It can be divided in two parts, 232 and 10000001, that multiplied together give a palindrome (2320000232).

The spelling of 23210000001 in words is "twenty-three billion, two hundred ten million, one", and thus it is an aban number.