23134403 has 4 divisors (see below), whose sum is σ = 23373000. Its totient is φ = 22895808.

The previous prime is 23134367. The next prime is 23134409. The reversal of 23134403 is 30443132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23134403 - 2⁸ = 23134147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23134409) 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, 119153 + ... + 119346.

It is an arithmetic number, because the mean of its divisors is an integer number (5843250).

Almost surely, 2^23134403 is an apocalyptic number.

23134403 is a deficient number, since it is larger than the sum of its proper divisors (238597).

23134403 is an equidigital number, since it uses as much as digits as its factorization.

23134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238596.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 23134403 is about 4809.8235934387. The cubic root of 23134403 is about 284.9395706495.

Adding to 23134403 its reverse (30443132), we get a palindrome (53577535).

The spelling of 23134403 in words is "twenty-three million, one hundred thirty-four thousand, four hundred three".