123912383 has 4 divisors (see below), whose sum is σ = 141614160. Its totient is φ = 106210608.

The previous prime is 123912361. The next prime is 123912391. The reversal of 123912383 is 383219321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383219321 = 17 ⋅22542313.

It is not a de Polignac number, because 123912383 - 2¹⁶ = 123846847 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 (123912323) 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, 8850878 + ... + 8850891.

It is an arithmetic number, because the mean of its divisors is an integer number (35403540).

Almost surely, 2^123912383 is an apocalyptic number.

123912383 is a deficient number, since it is larger than the sum of its proper divisors (17701777).

123912383 is an equidigital number, since it uses as much as digits as its factorization.

123912383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17701776.

The product of its digits is 7776, while the sum is 32.

The square root of 123912383 is about 11131.5939110264. The cubic root of 123912383 is about 498.5456176457.

The spelling of 123912383 in words is "one hundred twenty-three million, nine hundred twelve thousand, three hundred eighty-three".