1423543201 has 2 divisors, whose sum is σ = 1423543202. Its totient is φ = 1423543200.

The previous prime is 1423543193. The next prime is 1423543207. The reversal of 1423543201 is 1023453241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 933363601 + 490179600 = 30551^2 + 22140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423543201 - 2³ = 1423543193 is a prime.

It is a super-2 number, since 2×1423543201² = 4052950490226652802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423543207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711771600 + 711771601.

It is an arithmetic number, because the mean of its divisors is an integer number (711771601).

Almost surely, 2^1423543201 is an apocalyptic number.

It is an amenable number.

1423543201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423543201 is an equidigital number, since it uses as much as digits as its factorization.

1423543201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1423543201 is about 37729.8714681087. The cubic root of 1423543201 is about 1124.9249532819.

Adding to 1423543201 its reverse (1023453241), we get a palindrome (2446996442).

The spelling of 1423543201 in words is "one billion, four hundred twenty-three million, five hundred forty-three thousand, two hundred one".