1043423201 has 4 divisors (see below), whose sum is σ = 1061108400. Its totient is φ = 1025738004.

The previous prime is 1043423197. The next prime is 1043423207. The reversal of 1043423201 is 1023243401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1043423201 - 2² = 1043423197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1043423207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8842511 + ... + 8842628.

It is an arithmetic number, because the mean of its divisors is an integer number (265277100).

Almost surely, 2^1043423201 is an apocalyptic number.

It is an amenable number.

1043423201 is a deficient number, since it is larger than the sum of its proper divisors (17685199).

1043423201 is an equidigital number, since it uses as much as digits as its factorization.

1043423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17685198.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1043423201 is about 32302.0618691749. The cubic root of 1043423201 is about 1014.2698044406.

Adding to 1043423201 its reverse (1023243401), we get a palindrome (2066666602).

The spelling of 1043423201 in words is "one billion, forty-three million, four hundred twenty-three thousand, two hundred one".