231946823 has 2 divisors, whose sum is σ = 231946824. Its totient is φ = 231946822.

The previous prime is 231946817. The next prime is 231946837. The reversal of 231946823 is 328649132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231946823 - 2⁸ = 231946567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231946873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115973411 + 115973412.

It is an arithmetic number, because the mean of its divisors is an integer number (115973412).

Almost surely, 2^231946823 is an apocalyptic number.

231946823 is a deficient number, since it is larger than the sum of its proper divisors (1).

231946823 is an equidigital number, since it uses as much as digits as its factorization.

231946823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 231946823 is about 15229.8004911424. The cubic root of 231946823 is about 614.4164142533.

The spelling of 231946823 in words is "two hundred thirty-one million, nine hundred forty-six thousand, eight hundred twenty-three".