123412783 has 8 divisors (see below), whose sum is σ = 134508528. Its totient is φ = 112545984.

The previous prime is 123412781. The next prime is 123412801. The reversal of 123412783 is 387214321.

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 123412783 - 2¹ = 123412781 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56110 + ... + 58267.

It is an arithmetic number, because the mean of its divisors is an integer number (16813566).

Almost surely, 2^123412783 is an apocalyptic number.

123412783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123412783 is a deficient number, since it is larger than the sum of its proper divisors (11095745).

123412783 is a wasteful number, since it uses less digits than its factorization.

123412783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114473.

The product of its digits is 8064, while the sum is 31.

The square root of 123412783 is about 11109.1306140490. The cubic root of 123412783 is about 497.8746895778.

The spelling of 123412783 in words is "one hundred twenty-three million, four hundred twelve thousand, seven hundred eighty-three".