23210001011 has 4 divisors (see below), whose sum is σ = 23211957000. Its totient is φ = 23208045024.

The previous prime is 23210000993. The next prime is 23210001013. The reversal of 23210001011 is 11010001232.

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

It is a cyclic number.

It is not a de Polignac number, because 23210001011 - 2³⁴ = 6030131827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23210000983 and 23210001001.

It is not an unprimeable number, because it can be changed into a prime (23210001013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960086 + ... + 983963.

It is an arithmetic number, because the mean of its divisors is an integer number (5802989250).

Almost surely, 2^23210001011 is an apocalyptic number.

23210001011 is a deficient number, since it is larger than the sum of its proper divisors (1955989).

23210001011 is a wasteful number, since it uses less digits than its factorization.

23210001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955988.

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

Adding to 23210001011 its reverse (11010001232), we get a palindrome (34220002243).

The spelling of 23210001011 in words is "twenty-three billion, two hundred ten million, one thousand, eleven".