23103421 has 8 divisors (see below), whose sum is σ = 25488000. Its totient is φ = 20766240.

The previous prime is 23103419. The next prime is 23103433. The reversal of 23103421 is 12430132.

It is a happy number.

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

It is not a de Polignac number, because 23103421 - 2¹ = 23103419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23103395 and 23103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10821 + ... + 12778.

It is an arithmetic number, because the mean of its divisors is an integer number (3186000).

Almost surely, 2^23103421 is an apocalyptic number.

It is an amenable number.

23103421 is a deficient number, since it is larger than the sum of its proper divisors (2384579).

23103421 is a wasteful number, since it uses less digits than its factorization.

23103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23699.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23103421 is about 4806.6018141718. The cubic root of 23103421 is about 284.8123151276.

Adding to 23103421 its reverse (12430132), we get a palindrome (35533553).

Subtracting from 23103421 its reverse (12430132), we obtain a square (10673289 = 3267²).

The spelling of 23103421 in words is "twenty-three million, one hundred three thousand, four hundred twenty-one".