23012212013 has 8 divisors (see below), whose sum is σ = 26659940928. Its totient is φ = 19454550624.

The previous prime is 23012212009. The next prime is 23012212019. The reversal of 23012212013 is 31021221032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23012212013 - 2² = 23012212009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23012211982 and 23012212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22516331 + ... + 22517352.

It is an arithmetic number, because the mean of its divisors is an integer number (3332492616).

Almost surely, 2^23012212013 is an apocalyptic number.

It is an amenable number.

23012212013 is a deficient number, since it is larger than the sum of its proper divisors (3647728915).

23012212013 is an equidigital number, since it uses as much as digits as its factorization.

23012212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45033763.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23012212013 its reverse (31021221032), we get a palindrome (54033433045).

The spelling of 23012212013 in words is "twenty-three billion, twelve million, two hundred twelve thousand, thirteen".