32130323857 has 2 divisors, whose sum is σ = 32130323858. Its totient is φ = 32130323856.

The previous prime is 32130323831. The next prime is 32130323909. The reversal of 32130323857 is 75832303123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24183671121 + 7946652736 = 155511^2 + 89144^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130323857 - 2¹¹ = 32130321809 is a prime.

It is a super-2 number, since 2×32130323857² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32130323657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065161928 + 16065161929.

It is an arithmetic number, because the mean of its divisors is an integer number (16065161929).

Almost surely, 2^32130323857 is an apocalyptic number.

It is an amenable number.

32130323857 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130323857 is an equidigital number, since it uses as much as digits as its factorization.

32130323857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 32130323857 in words is "thirty-two billion, one hundred thirty million, three hundred twenty-three thousand, eight hundred fifty-seven".