231973705 has 8 divisors (see below), whose sum is σ = 278568000. Its totient is φ = 185445936.

The previous prime is 231973681. The next prime is 231973723. The reversal of 231973705 is 507379132.

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

It is a cyclic number.

It is not a de Polignac number, because 231973705 - 2⁵ = 231973673 is a prime.

It is a super-2 number, since 2×231973705² = 107623599622854050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8605 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (34821000).

Almost surely, 2^231973705 is an apocalyptic number.

It is an amenable number.

231973705 is a deficient number, since it is larger than the sum of its proper divisors (46594295).

231973705 is a wasteful number, since it uses less digits than its factorization.

231973705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33263.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 231973705 is about 15230.6830116052. The cubic root of 231973705 is about 614.4401497282.

The spelling of 231973705 in words is "two hundred thirty-one million, nine hundred seventy-three thousand, seven hundred five".