23210020001 has 16 divisors (see below), whose sum is σ = 27356381184. Its totient is φ = 19278607824.

The previous prime is 23210019977. The next prime is 23210020007. The reversal of 23210020001 is 10002001232.

It is a happy number.

It is not a de Polignac number, because 23210020001 - 2²⁶ = 23142911137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210020007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265355 + ... + 341808.

It is an arithmetic number, because the mean of its divisors is an integer number (1709773824).

Almost surely, 2^23210020001 is an apocalyptic number.

It is an amenable number.

23210020001 is a deficient number, since it is larger than the sum of its proper divisors (4146361183).

23210020001 is a wasteful number, since it uses less digits than its factorization.

23210020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607340.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23210020001 its reverse (10002001232), we get a palindrome (33212021233).

The spelling of 23210020001 in words is "twenty-three billion, two hundred ten million, twenty thousand, one".