23331043 has 4 divisors (see below), whose sum is σ = 23514880. Its totient is φ = 23147208.

The previous prime is 23331023. The next prime is 23331047. The reversal of 23331043 is 34013332.

It is a semiprime because it is the product of two primes.

It is a 5-Lehmer number, since φ(23331043) divides (23331043-1)⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23331043.

It is not an unprimeable number, because it can be changed into a prime (23331047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91728 + ... + 91981.

It is an arithmetic number, because the mean of its divisors is an integer number (5878720).

Almost surely, 2^23331043 is an apocalyptic number.

23331043 is a deficient number, since it is larger than the sum of its proper divisors (183837).

23331043 is a wasteful number, since it uses less digits than its factorization.

23331043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183836.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23331043 is about 4830.2218375557. The cubic root of 23331043 is about 285.7446128403.

Adding to 23331043 its reverse (34013332), we get a palindrome (57344375).

The spelling of 23331043 in words is "twenty-three million, three hundred thirty-one thousand, forty-three".