1423432201 has 4 divisors (see below), whose sum is σ = 1472516100. Its totient is φ = 1374348304.

The previous prime is 1423432147. The next prime is 1423432207. The reversal of 1423432201 is 1022343241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 969699600 + 453732601 = 31140^2 + 21301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423432201 - 2²¹ = 1421335049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423432207) 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, 24541906 + ... + 24541963.

It is an arithmetic number, because the mean of its divisors is an integer number (368129025).

Almost surely, 2^1423432201 is an apocalyptic number.

It is an amenable number.

1423432201 is a deficient number, since it is larger than the sum of its proper divisors (49083899).

1423432201 is an equidigital number, since it uses as much as digits as its factorization.

1423432201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49083898.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1423432201 is about 37728.4004564201. The cubic root of 1423432201 is about 1124.8957140533.

Adding to 1423432201 its reverse (1022343241), we get a palindrome (2445775442).

It can be divided in two parts, 142 and 3432201, that added together give a palindrome (3432343).

The spelling of 1423432201 in words is "one billion, four hundred twenty-three million, four hundred thirty-two thousand, two hundred one".