23101010213 has 4 divisors (see below), whose sum is σ = 23256050700. Its totient is φ = 22945969728.

The previous prime is 23101010209. The next prime is 23101010243. The reversal of 23101010213 is 31201010132.

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 12025973569 + 11075036644 = 109663^2 + 105238^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101010213 - 2² = 23101010209 is a prime.

It is a super-2 number, since 2×23101010213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101010243) 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, 77520020 + ... + 77520317.

It is an arithmetic number, because the mean of its divisors is an integer number (5814012675).

Almost surely, 2^23101010213 is an apocalyptic number.

It is an amenable number.

23101010213 is a deficient number, since it is larger than the sum of its proper divisors (155040487).

23101010213 is a wasteful number, since it uses less digits than its factorization.

23101010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155040486.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23101010213 its reverse (31201010132), we get a palindrome (54302020345).

The spelling of 23101010213 in words is "twenty-three billion, one hundred one million, ten thousand, two hundred thirteen".