231897374 has 8 divisors (see below), whose sum is σ = 368307648. Its totient is φ = 109128160.

The previous prime is 231897373. The next prime is 231897377. The reversal of 231897374 is 473798132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231897371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3410222 + ... + 3410289.

It is an arithmetic number, because the mean of its divisors is an integer number (46038456).

Almost surely, 2^231897374 is an apocalyptic number.

231897374 is a deficient number, since it is larger than the sum of its proper divisors (136410274).

231897374 is a wasteful number, since it uses less digits than its factorization.

231897374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820530.

The product of its digits is 254016, while the sum is 44.

The square root of 231897374 is about 15228.1769755936. The cubic root of 231897374 is about 614.3727484449.

The spelling of 231897374 in words is "two hundred thirty-one million, eight hundred ninety-seven thousand, three hundred seventy-four".