123420283 has 8 divisors (see below), whose sum is σ = 142449120. Its totient is φ = 104740800.

The previous prime is 123420281. The next prime is 123420287. The reversal of 123420283 is 382024321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123420283 - 2¹ = 123420281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123420281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86578 + ... + 87991.

It is an arithmetic number, because the mean of its divisors is an integer number (17806140).

Almost surely, 2^123420283 is an apocalyptic number.

123420283 is a deficient number, since it is larger than the sum of its proper divisors (19028837).

123420283 is a wasteful number, since it uses less digits than its factorization.

123420283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174677.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 123420283 is about 11109.4681690889. The cubic root of 123420283 is about 497.8847749310.

The spelling of 123420283 in words is "one hundred twenty-three million, four hundred twenty thousand, two hundred eighty-three".