8729430023 has 2 divisors, whose sum is σ = 8729430024. Its totient is φ = 8729430022.

The previous prime is 8729430001. The next prime is 8729430037. The reversal of 8729430023 is 3200349278.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8729430023 - 2¹⁰ = 8729428999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8729433023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4364715011 + 4364715012.

It is an arithmetic number, because the mean of its divisors is an integer number (4364715012).

Almost surely, 2^8729430023 is an apocalyptic number.

8729430023 is a deficient number, since it is larger than the sum of its proper divisors (1).

8729430023 is an equidigital number, since it uses as much as digits as its factorization.

8729430023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 8729430023 is about 93431.4188215078. The cubic root of 8729430023 is about 2059.0266258709.

The spelling of 8729430023 in words is "eight billion, seven hundred twenty-nine million, four hundred thirty thousand, twenty-three".