23136403 has 8 divisors (see below), whose sum is σ = 24065280. Its totient is φ = 22216320.

The previous prime is 23136397. The next prime is 23136409. The reversal of 23136403 is 30463132.

It is an interprime number because it is at equal distance from previous prime (23136397) and next prime (23136409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23136403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23136409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (3008160).

Almost surely, 2^23136403 is an apocalyptic number.

23136403 is a deficient number, since it is larger than the sum of its proper divisors (928877).

23136403 is a wasteful number, since it uses less digits than its factorization.

23136403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 23136403 is about 4810.0314967784. The cubic root of 23136403 is about 284.9477815482.

Adding to 23136403 its reverse (30463132), we get a palindrome (53599535).

The spelling of 23136403 in words is "twenty-three million, one hundred thirty-six thousand, four hundred three".