4123215011 has 4 divisors (see below), whose sum is σ = 4164039024. Its totient is φ = 4082391000.

The previous prime is 4123215001. The next prime is 4123215067. The reversal of 4123215011 is 1105123214.

4123215011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123215011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123215001) 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, 20411855 + ... + 20412056.

It is an arithmetic number, because the mean of its divisors is an integer number (1041009756).

Almost surely, 2^4123215011 is an apocalyptic number.

4123215011 is a deficient number, since it is larger than the sum of its proper divisors (40824013).

4123215011 is a wasteful number, since it uses less digits than its factorization.

4123215011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40824012.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 4123215011 is about 64212.2652691836. The cubic root of 4123215011 is about 1603.5358017843.

Adding to 4123215011 its reverse (1105123214), we get a palindrome (5228338225).

The spelling of 4123215011 in words is "four billion, one hundred twenty-three million, two hundred fifteen thousand, eleven".