32423421 has 16 divisors (see below), whose sum is σ = 44976960. Its totient is φ = 20751360.

The previous prime is 32423411. The next prime is 32423431. The reversal of 32423421 is 12432423.

It is an interprime number because it is at equal distance from previous prime (32423411) and next prime (32423431).

It is not a de Polignac number, because 32423421 - 2⁵ = 32423389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32423411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15826 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (2811060).

Almost surely, 2^32423421 is an apocalyptic number.

It is an amenable number.

32423421 is a deficient number, since it is larger than the sum of its proper divisors (12553539).

32423421 is a wasteful number, since it uses less digits than its factorization.

32423421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its digits is 1152, while the sum is 21.

The square root of 32423421 is about 5694.1567417836. The cubic root of 32423421 is about 318.8743686921.

Adding to 32423421 its reverse (12432423), we get a palindrome (44855844).

The spelling of 32423421 in words is "thirty-two million, four hundred twenty-three thousand, four hundred twenty-one".