23010001013 has 4 divisors (see below), whose sum is σ = 23164430700. Its totient is φ = 22855571328.

The previous prime is 23010001009. The next prime is 23010001033. The reversal of 23010001013 is 31010001032.

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 7340719684 + 15669281329 = 85678^2 + 125177^2 .

It is a cyclic number.

It is not a de Polignac number, because 23010001013 - 2² = 23010001009 is a prime.

It is a super-2 number, since 2×23010001013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23010000985 and 23010001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010001033) 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, 77214620 + ... + 77214917.

It is an arithmetic number, because the mean of its divisors is an integer number (5791107675).

Almost surely, 2^23010001013 is an apocalyptic number.

It is an amenable number.

23010001013 is a deficient number, since it is larger than the sum of its proper divisors (154429687).

23010001013 is a wasteful number, since it uses less digits than its factorization.

23010001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154429686.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 23010001013 its reverse (31010001032), we get a palindrome (54020002045).

The spelling of 23010001013 in words is "twenty-three billion, ten million, one thousand, thirteen".