432421153 has 4 divisors (see below), whose sum is σ = 434326320. Its totient is φ = 430515988.

The previous prime is 432421147. The next prime is 432421159. The reversal of 432421153 is 351124234.

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, and also an emirpimes, since its reverse is a distinct semiprime: 351124234 = 2 ⋅175562117.

It is an interprime number because it is at equal distance from previous prime (432421147) and next prime (432421159).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432421153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432421159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952243 + ... + 952696.

It is an arithmetic number, because the mean of its divisors is an integer number (108581580).

Almost surely, 2^432421153 is an apocalyptic number.

It is an amenable number.

432421153 is a deficient number, since it is larger than the sum of its proper divisors (1905167).

432421153 is a wasteful number, since it uses less digits than its factorization.

432421153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905166.

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

The square root of 432421153 is about 20794.7385893644. The cubic root of 432421153 is about 756.1982073402.

Adding to 432421153 its reverse (351124234), we get a palindrome (783545387).

The spelling of 432421153 in words is "four hundred thirty-two million, four hundred twenty-one thousand, one hundred fifty-three".