117923153093 has 4 divisors (see below), whose sum is σ = 117924305100. Its totient is φ = 117922001088.

The previous prime is 117923153083. The next prime is 117923153113. The reversal of 117923153093 is 390351329711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390351329711 = 7 ⋅55764475673.

It can be written as a sum of positive squares in 2 ways, for example, as 10772986849 + 107150166244 = 103793^2 + 327338^2 .

It is a cyclic number.

It is not a de Polignac number, because 117923153093 - 2⁴ = 117923153077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117923153083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405668 + ... + 632781.

It is an arithmetic number, because the mean of its divisors is an integer number (29481076275).

Almost surely, 2^117923153093 is an apocalyptic number.

It is an amenable number.

117923153093 is a deficient number, since it is larger than the sum of its proper divisors (1152007).

117923153093 is a wasteful number, since it uses less digits than its factorization.

117923153093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152006.

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 117923153093 in words is "one hundred seventeen billion, nine hundred twenty-three million, one hundred fifty-three thousand, ninety-three".