1432403421 has 4 divisors (see below), whose sum is σ = 1909871232. Its totient is φ = 954935612.

The previous prime is 1432403417. The next prime is 1432403447. The reversal of 1432403421 is 1243042341.

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 1432403421 - 2² = 1432403417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1432403391 and 1432403400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432403461) 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, 238733901 + ... + 238733906.

It is an arithmetic number, because the mean of its divisors is an integer number (477467808).

Almost surely, 2^1432403421 is an apocalyptic number.

It is an amenable number.

1432403421 is a deficient number, since it is larger than the sum of its proper divisors (477467811).

1432403421 is an equidigital number, since it uses as much as digits as its factorization.

1432403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477467810.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1432403421 is about 37847.1058470790. The cubic root of 1432403421 is about 1127.2539951620.

Adding to 1432403421 its reverse (1243042341), we get a palindrome (2675445762).

The spelling of 1432403421 in words is "one billion, four hundred thirty-two million, four hundred three thousand, four hundred twenty-one".