123587345 has 16 divisors (see below), whose sum is σ = 169673088. Its totient is φ = 84654720.

The previous prime is 123587341. The next prime is 123587353. The reversal of 123587345 is 543785321.

It is not a de Polignac number, because 123587345 - 2² = 123587341 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123587299 and 123587308.

It is not an unprimeable number, because it can be changed into a prime (123587341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56930 + ... + 59060.

It is an arithmetic number, because the mean of its divisors is an integer number (10604568).

Almost surely, 2^123587345 is an apocalyptic number.

It is an amenable number.

123587345 is a deficient number, since it is larger than the sum of its proper divisors (46085743).

123587345 is a wasteful number, since it uses less digits than its factorization.

123587345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800.

The product of its digits is 100800, while the sum is 38.

The square root of 123587345 is about 11116.9845281893. The cubic root of 123587345 is about 498.1093196672.

The spelling of 123587345 in words is "one hundred twenty-three million, five hundred eighty-seven thousand, three hundred forty-five".