1006430623 has 16 divisors (see below), whose sum is σ = 1107732096. Its totient is φ = 906798240.

The previous prime is 1006430569. The next prime is 1006430641. The reversal of 1006430623 is 3260346001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006430623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006430683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008961 + ... + 1009957.

It is an arithmetic number, because the mean of its divisors is an integer number (69233256).

Almost surely, 2^1006430623 is an apocalyptic number.

1006430623 is a deficient number, since it is larger than the sum of its proper divisors (101301473).

1006430623 is a wasteful number, since it uses less digits than its factorization.

1006430623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1006430623 is about 31724.2907406927. The cubic root of 1006430623 is about 1002.1389625771.

Adding to 1006430623 its reverse (3260346001), we get a palindrome (4266776624).

The spelling of 1006430623 in words is "one billion, six million, four hundred thirty thousand, six hundred twenty-three".