23403202129 has 2 divisors, whose sum is σ = 23403202130. Its totient is φ = 23403202128.

The previous prime is 23403202117. The next prime is 23403202247. The reversal of 23403202129 is 92120230432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23230332225 + 172869904 = 152415^2 + 13148^2 .

It is a cyclic number.

It is not a de Polignac number, because 23403202129 - 2¹⁹ = 23402677841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23403202097 and 23403202106.

It is not a weakly prime, because it can be changed into another prime (23403203129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701601064 + 11701601065.

It is an arithmetic number, because the mean of its divisors is an integer number (11701601065).

Almost surely, 2^23403202129 is an apocalyptic number.

It is an amenable number.

23403202129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403202129 is an equidigital number, since it uses as much as digits as its factorization.

23403202129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 23403202129 in words is "twenty-three billion, four hundred three million, two hundred two thousand, one hundred twenty-nine".