123928494383 has 4 divisors (see below), whose sum is σ = 124050113160. Its totient is φ = 123806875608.

The previous prime is 123928494373. The next prime is 123928494409. The reversal of 123928494383 is 383494829321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383494829321 = 1567 ⋅244731863.

It is a cyclic number.

It is not a de Polignac number, because 123928494383 - 2³² = 119633527087 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 (123928494373) 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, 60807860 + ... + 60809897.

It is an arithmetic number, because the mean of its divisors is an integer number (31012528290).

Almost surely, 2^123928494383 is an apocalyptic number.

123928494383 is a deficient number, since it is larger than the sum of its proper divisors (121618777).

123928494383 is a wasteful number, since it uses less digits than its factorization.

123928494383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121618776.

The product of its digits is 8957952, while the sum is 56.

The spelling of 123928494383 in words is "one hundred twenty-three billion, nine hundred twenty-eight million, four hundred ninety-four thousand, three hundred eighty-three".