123072807 has 32 divisors (see below), whose sum is σ = 195987456. Its totient is φ = 67708800.

The previous prime is 123072799. The next prime is 123072827. The reversal of 123072807 is 708270321.

It is not a de Polignac number, because 123072807 - 2³ = 123072799 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123072827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23818 + ... + 28520.

It is an arithmetic number, because the mean of its divisors is an integer number (6124608).

Almost surely, 2^123072807 is an apocalyptic number.

123072807 is a deficient number, since it is larger than the sum of its proper divisors (72914649).

123072807 is a wasteful number, since it uses less digits than its factorization.

123072807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 123072807 is about 11093.8184138736. The cubic root of 123072807 is about 497.4170894552.

The spelling of 123072807 in words is "one hundred twenty-three million, seventy-two thousand, eight hundred seven".