123828707 has 4 divisors (see below), whose sum is σ = 123854856. Its totient is φ = 123802560.

The previous prime is 123828703. The next prime is 123828709. The reversal of 123828707 is 707828321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123828707 - 2² = 123828703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123828701) 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, 3758 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (30963714).

Almost surely, 2^123828707 is an apocalyptic number.

123828707 is a deficient number, since it is larger than the sum of its proper divisors (26149).

123828707 is an equidigital number, since it uses as much as digits as its factorization.

123828707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26148.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 123828707 is about 11127.8347848986. The cubic root of 123828707 is about 498.4333724831.

The spelling of 123828707 in words is "one hundred twenty-three million, eight hundred twenty-eight thousand, seven hundred seven".