108230642257 has 4 divisors (see below), whose sum is σ = 108335416420. Its totient is φ = 108125868096.

The previous prime is 108230642237. The next prime is 108230642263. The reversal of 108230642257 is 752246032801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 86175125136 + 22055517121 = 293556^2 + 148511^2 .

It is a cyclic number.

It is not a de Polignac number, because 108230642257 - 2⁷ = 108230642129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108230642237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52385532 + ... + 52387597.

It is an arithmetic number, because the mean of its divisors is an integer number (27083854105).

Almost surely, 2^108230642257 is an apocalyptic number.

It is an amenable number.

108230642257 is a deficient number, since it is larger than the sum of its proper divisors (104774163).

108230642257 is a wasteful number, since it uses less digits than its factorization.

108230642257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104774162.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 108230642257 in words is "one hundred eight billion, two hundred thirty million, six hundred forty-two thousand, two hundred fifty-seven".