23331441 has 8 divisors (see below), whose sum is σ = 35552704. Its totient is φ = 13332240.

The previous prime is 23331431. The next prime is 23331461. The reversal of 23331441 is 14413332.

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

It is not a de Polignac number, because 23331441 - 2⁶ = 23331377 is a prime.

It is a super-2 number, since 2×23331441² = 1088712278272962, which contains 22 as substring.

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: 1111021 = 23331441 / (2 + 3 + 3 + 3 + 1 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331401) 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, 555490 + ... + 555531.

It is an arithmetic number, because the mean of its divisors is an integer number (4444088).

Almost surely, 2^23331441 is an apocalyptic number.

23331441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23331441 is a deficient number, since it is larger than the sum of its proper divisors (12221263).

23331441 is a wasteful number, since it uses less digits than its factorization.

23331441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111031.

The product of its digits is 864, while the sum is 21.

The square root of 23331441 is about 4830.2630363159. The cubic root of 23331441 is about 285.7462376528.

Adding to 23331441 its reverse (14413332), we get a palindrome (37744773).

The spelling of 23331441 in words is "twenty-three million, three hundred thirty-one thousand, four hundred forty-one".