123071707 has 4 divisors (see below), whose sum is σ = 134260056. Its totient is φ = 111883360.

The previous prime is 123071677. The next prime is 123071717. The reversal of 123071707 is 707170321.

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 123071707 - 2⁷ = 123071579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123071717) 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, 5594158 + ... + 5594179.

It is an arithmetic number, because the mean of its divisors is an integer number (33565014).

Almost surely, 2^123071707 is an apocalyptic number.

123071707 is a deficient number, since it is larger than the sum of its proper divisors (11188349).

123071707 is a wasteful number, since it uses less digits than its factorization.

123071707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188348.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 123071707 is about 11093.7688366037. The cubic root of 123071707 is about 497.4156075128.

The spelling of 123071707 in words is "one hundred twenty-three million, seventy-one thousand, seven hundred seven".