23342403 has 8 divisors (see below), whose sum is σ = 35569408. Its totient is φ = 13338504.

The previous prime is 23342399. The next prime is 23342437. The reversal of 23342403 is 30424332.

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

It is not a de Polignac number, because 23342403 - 2² = 23342399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1111543 = 23342403 / (2 + 3 + 3 + 4 + 2 + 4 + 0 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 23342403.

It is not an unprimeable number, because it can be changed into a prime (23342453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555751 + ... + 555792.

It is an arithmetic number, because the mean of its divisors is an integer number (4446176).

Almost surely, 2^23342403 is an apocalyptic number.

23342403 is a deficient number, since it is larger than the sum of its proper divisors (12227005).

23342403 is a wasteful number, since it uses less digits than its factorization.

23342403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111553.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23342403 is about 4831.3976238766. The cubic root of 23342403 is about 285.7909821362.

Adding to 23342403 its reverse (30424332), we get a palindrome (53766735).

It can be divided in two parts, 2 and 3342403, that added together give a triangular number (3342405 = T₂₅₈₅).

The spelling of 23342403 in words is "twenty-three million, three hundred forty-two thousand, four hundred three".