123929093 has 4 divisors (see below), whose sum is σ = 128202540. Its totient is φ = 119655648.

The previous prime is 123929059. The next prime is 123929123. The reversal of 123929093 is 390929321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390929321 = 23 ⋅16996927.

It can be written as a sum of positive squares in 2 ways, for example, as 92198404 + 31730689 = 9602^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 123929093 - 2⁸ = 123928837 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 (123929023) 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, 2136680 + ... + 2136737.

It is an arithmetic number, because the mean of its divisors is an integer number (32050635).

Almost surely, 2^123929093 is an apocalyptic number.

It is an amenable number.

123929093 is a deficient number, since it is larger than the sum of its proper divisors (4273447).

123929093 is an equidigital number, since it uses as much as digits as its factorization.

123929093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273446.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 123929093 is about 11132.3444520909. The cubic root of 123929093 is about 498.5680268207.

The spelling of 123929093 in words is "one hundred twenty-three million, nine hundred twenty-nine thousand, ninety-three".