23331012102 has 24 divisors (see below), whose sum is σ = 50575841784. Its totient is φ = 7773109344.

The previous prime is 23331012091. The next prime is 23331012127. The reversal of 23331012102 is 20121013332.

23331012102 is a `hidden beast` number, since 233 + 310 + 121 + 0 + 2 = 666.

It is a super-2 number, since 2×23331012102² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287503 + ... + 359610.

It is an arithmetic number, because the mean of its divisors is an integer number (2107326741).

Almost surely, 2^23331012102 is an apocalyptic number.

23331012102 is an abundant number, since it is smaller than the sum of its proper divisors (27244829682).

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

23331012102 is a wasteful number, since it uses less digits than its factorization.

23331012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649124 (or 649121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23331012102 its reverse (20121013332), we get a palindrome (43452025434).

The spelling of 23331012102 in words is "twenty-three billion, three hundred thirty-one million, twelve thousand, one hundred two".