23313102011 has 4 divisors (see below), whose sum is σ = 24540107400. Its totient is φ = 22086096624.

The previous prime is 23313101989. The next prime is 23313102023. The reversal of 23313102011 is 11020131332.

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-23313102011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23313102311) 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, 613502666 + ... + 613502703.

It is an arithmetic number, because the mean of its divisors is an integer number (6135026850).

Almost surely, 2^23313102011 is an apocalyptic number.

23313102011 is a deficient number, since it is larger than the sum of its proper divisors (1227005389).

23313102011 is a wasteful number, since it uses less digits than its factorization.

23313102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227005388.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23313102011 its reverse (11020131332), we get a palindrome (34333233343).

The spelling of 23313102011 in words is "twenty-three billion, three hundred thirteen million, one hundred two thousand, eleven".