230861437 has 2 divisors, whose sum is σ = 230861438. Its totient is φ = 230861436.

The previous prime is 230861417. The next prime is 230861441. The reversal of 230861437 is 734168032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119115396 + 111746041 = 10914^2 + 10571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230861437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230861417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115430718 + 115430719.

It is an arithmetic number, because the mean of its divisors is an integer number (115430719).

Almost surely, 2^230861437 is an apocalyptic number.

It is an amenable number.

230861437 is a deficient number, since it is larger than the sum of its proper divisors (1).

230861437 is an equidigital number, since it uses as much as digits as its factorization.

230861437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 230861437 is about 15194.1250817545. The cubic root of 230861437 is about 613.4565363388.

The spelling of 230861437 in words is "two hundred thirty million, eight hundred sixty-one thousand, four hundred thirty-seven".