207123320 has 16 divisors (see below), whose sum is σ = 466027560. Its totient is φ = 82849312.

The previous prime is 207123289. The next prime is 207123341. The reversal of 207123320 is 23321702.

207123320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 207123292 and 207123301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589002 + ... + 2589081.

Almost surely, 2^207123320 is an apocalyptic number.

207123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207123320 is an abundant number, since it is smaller than the sum of its proper divisors (258904240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207123320 is a wasteful number, since it uses less digits than its factorization.

207123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5178094 (or 5178090 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 207123320 is about 14391.7795980900. The cubic root of 207123320 is about 591.6656180193.

The spelling of 207123320 in words is "two hundred seven million, one hundred twenty-three thousand, three hundred twenty".