207870423 has 8 divisors (see below), whose sum is σ = 279905136. Its totient is φ = 137208000.

The previous prime is 207870413. The next prime is 207870427. The reversal of 207870423 is 324078702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 207870423 - 2⁶ = 207870359 is a prime.

It is a super-2 number, since 2×207870423² = 86420225516397858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207870427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342718 + ... + 343323.

It is an arithmetic number, because the mean of its divisors is an integer number (34988142).

Almost surely, 2^207870423 is an apocalyptic number.

207870423 is a deficient number, since it is larger than the sum of its proper divisors (72034713).

207870423 is a wasteful number, since it uses less digits than its factorization.

207870423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686145.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 207870423 is about 14417.7121277961. The cubic root of 207870423 is about 592.3761524335.

The spelling of 207870423 in words is "two hundred seven million, eight hundred seventy thousand, four hundred twenty-three".