32404023 has 32 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 20177280.

The previous prime is 32404019. The next prime is 32404037. The reversal of 32404023 is 32040423.

It is not a de Polignac number, because 32404023 - 2² = 32404019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32403987 and 32404005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32404003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104038 + ... + 104348.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^32404023 is an apocalyptic number.

32404023 is a deficient number, since it is larger than the sum of its proper divisors (18813897).

32404023 is a wasteful number, since it uses less digits than its factorization.

32404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32404023 is about 5692.4531618626. The cubic root of 32404023 is about 318.8107648859.

Adding to 32404023 its reverse (32040423), we get a palindrome (64444446).

The spelling of 32404023 in words is "thirty-two million, four hundred four thousand, twenty-three".