231749855 has 8 divisors (see below), whose sum is σ = 278207664. Its totient is φ = 185328000.

The previous prime is 231749839. The next prime is 231749879. The reversal of 231749855 is 558947132.

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

It is not a de Polignac number, because 231749855 - 2⁴ = 231749839 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8180 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (34775958).

Almost surely, 2^231749855 is an apocalyptic number.

231749855 is a deficient number, since it is larger than the sum of its proper divisors (46457809).

231749855 is a wasteful number, since it uses less digits than its factorization.

231749855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977.

The product of its digits is 302400, while the sum is 44.

The square root of 231749855 is about 15223.3325852127. The cubic root of 231749855 is about 614.2424452899.

The spelling of 231749855 in words is "two hundred thirty-one million, seven hundred forty-nine thousand, eight hundred fifty-five".