23210102129 has 4 divisors (see below), whose sum is σ = 23218462884. Its totient is φ = 23201741376.

The previous prime is 23210102117. The next prime is 23210102141. The reversal of 23210102129 is 92120101232.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (23210102117) and next prime (23210102141).

It can be written as a sum of positive squares in 2 ways, for example, as 4227600400 + 18982501729 = 65020^2 + 137777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210102129 is a prime.

It is a super-2 number, since 2×23210102129² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210102429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4176212 + ... + 4181765.

It is an arithmetic number, because the mean of its divisors is an integer number (5804615721).

Almost surely, 2^23210102129 is an apocalyptic number.

It is an amenable number.

23210102129 is a deficient number, since it is larger than the sum of its proper divisors (8360755).

23210102129 is an equidigital number, since it uses as much as digits as its factorization.

23210102129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360754.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 23210102129 in words is "twenty-three billion, two hundred ten million, one hundred two thousand, one hundred twenty-nine".