32513423 has 4 divisors (see below), whose sum is σ = 32610240. Its totient is φ = 32416608.

The previous prime is 32513413. The next prime is 32513431. The reversal of 32513423 is 32431523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32431523 = 349 ⋅92927.

It is a cyclic number.

It is not a de Polignac number, because 32513423 - 2¹⁰ = 32512399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32513413) 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, 47903 + ... + 48576.

It is an arithmetic number, because the mean of its divisors is an integer number (8152560).

Almost surely, 2^32513423 is an apocalyptic number.

32513423 is a deficient number, since it is larger than the sum of its proper divisors (96817).

32513423 is an equidigital number, since it uses as much as digits as its factorization.

32513423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96816.

The product of its digits is 2160, while the sum is 23.

The square root of 32513423 is about 5702.0542789419. The cubic root of 32513423 is about 319.1691434370.

Adding to 32513423 its reverse (32431523), we get a palindrome (64944946).

The spelling of 32513423 in words is "thirty-two million, five hundred thirteen thousand, four hundred twenty-three".