23132403 has 12 divisors (see below), whose sum is σ = 38186928. Its totient is φ = 13218480.

The previous prime is 23132371. The next prime is 23132407. The reversal of 23132403 is 30423132.

23132403 is a `hidden beast` number, since 231 + 32 + 403 = 666.

It is not a de Polignac number, because 23132403 - 2⁵ = 23132371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23132407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183528 + ... + 183653.

It is an arithmetic number, because the mean of its divisors is an integer number (3182244).

Almost surely, 2^23132403 is an apocalyptic number.

23132403 is a deficient number, since it is larger than the sum of its proper divisors (15054525).

23132403 is a wasteful number, since it uses less digits than its factorization.

23132403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367194 (or 367191 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23132403 is about 4809.6156811122. The cubic root of 23132403 is about 284.9313592775.

Adding to 23132403 its reverse (30423132), we get a palindrome (53555535).

The spelling of 23132403 in words is "twenty-three million, one hundred thirty-two thousand, four hundred three".