1006432123 has 2 divisors, whose sum is σ = 1006432124. Its totient is φ = 1006432122.

The previous prime is 1006432117. The next prime is 1006432139. The reversal of 1006432123 is 3212346001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006432123 - 2⁹ = 1006431611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1006432094 and 1006432103.

It is not a weakly prime, because it can be changed into another prime (1006438123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503216061 + 503216062.

It is an arithmetic number, because the mean of its divisors is an integer number (503216062).

Almost surely, 2^1006432123 is an apocalyptic number.

1006432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006432123 is an equidigital number, since it uses as much as digits as its factorization.

1006432123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1006432123 is about 31724.3143818744. The cubic root of 1006432123 is about 1002.1394604447.

Adding to 1006432123 its reverse (3212346001), we get a palindrome (4218778124).

The spelling of 1006432123 in words is "one billion, six million, four hundred thirty-two thousand, one hundred twenty-three".