229638743 has 2 divisors, whose sum is σ = 229638744. Its totient is φ = 229638742.

The previous prime is 229638697. The next prime is 229638749. The reversal of 229638743 is 347836922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229638743 - 2¹⁰ = 229637719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229638694 and 229638703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229638749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114819371 + 114819372.

It is an arithmetic number, because the mean of its divisors is an integer number (114819372).

Almost surely, 2^229638743 is an apocalyptic number.

229638743 is a deficient number, since it is larger than the sum of its proper divisors (1).

229638743 is an equidigital number, since it uses as much as digits as its factorization.

229638743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 229638743 is about 15153.8359170211. The cubic root of 229638743 is about 612.3716175739.

The spelling of 229638743 in words is "two hundred twenty-nine million, six hundred thirty-eight thousand, seven hundred forty-three".