123617007 has 6 divisors (see below), whose sum is σ = 178557912. Its totient is φ = 82411332.

The previous prime is 123616981. The next prime is 123617051. The reversal of 123617007 is 700716321.

It is not a de Polignac number, because 123617007 - 2¹² = 123612911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123617107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6867603 + ... + 6867620.

It is an arithmetic number, because the mean of its divisors is an integer number (29759652).

Almost surely, 2^123617007 is an apocalyptic number.

123617007 is a deficient number, since it is larger than the sum of its proper divisors (54940905).

123617007 is a wasteful number, since it uses less digits than its factorization.

123617007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13735229 (or 13735226 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 123617007 is about 11118.3185329437. The cubic root of 123617007 is about 498.1491666185.

The spelling of 123617007 in words is "one hundred twenty-three million, six hundred seventeen thousand, seven".