23311110102 has 64 divisors (see below), whose sum is σ = 54450192384. Its totient is φ = 6514538400.

The previous prime is 23311110091. The next prime is 23311110103. The reversal of 23311110102 is 20101111332.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311110103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4638363 + ... + 4643385.

It is an arithmetic number, because the mean of its divisors is an integer number (850784256).

Almost surely, 2^23311110102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311110102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27225096192).

23311110102 is an abundant number, since it is smaller than the sum of its proper divisors (31139082282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311110102 is a wasteful number, since it uses less digits than its factorization.

23311110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23311110102 its reverse (20101111332), we get a palindrome (43412221434).

The spelling of 23311110102 in words is "twenty-three billion, three hundred eleven million, one hundred ten thousand, one hundred two".