1000423201 has 2 divisors, whose sum is σ = 1000423202. Its totient is φ = 1000423200.

The previous prime is 1000423147. The next prime is 1000423211. The reversal of 1000423201 is 1023240001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896403600 + 104019601 = 29940^2 + 10199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000423201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000423211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500211600 + 500211601.

It is an arithmetic number, because the mean of its divisors is an integer number (500211601).

Almost surely, 2^1000423201 is an apocalyptic number.

It is an amenable number.

1000423201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000423201 is an equidigital number, since it uses as much as digits as its factorization.

1000423201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1000423201 is about 31629.4672892226. The cubic root of 1000423201 is about 1000.1410471048.

Adding to 1000423201 its reverse (1023240001), we get a palindrome (2023663202).

The spelling of 1000423201 in words is "one billion, four hundred twenty-three thousand, two hundred one".