23234421 has 8 divisors (see below), whose sum is σ = 35404864. Its totient is φ = 13276800.

The previous prime is 23234411. The next prime is 23234437. The reversal of 23234421 is 12443232.

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

It is not a de Polignac number, because 23234421 - 2⁶ = 23234357 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: 1106401 = 23234421 / (2 + 3 + 2 + 3 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23234401) 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, 553180 + ... + 553221.

It is an arithmetic number, because the mean of its divisors is an integer number (4425608).

Almost surely, 2^23234421 is an apocalyptic number.

23234421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23234421 is a deficient number, since it is larger than the sum of its proper divisors (12170443).

23234421 is a wasteful number, since it uses less digits than its factorization.

23234421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106411.

The product of its digits is 1152, while the sum is 21.

The square root of 23234421 is about 4820.2096427438. The cubic root of 23234421 is about 285.3496109674.

Adding to 23234421 its reverse (12443232), we get a palindrome (35677653).

The spelling of 23234421 in words is "twenty-three million, two hundred thirty-four thousand, four hundred twenty-one".