23143043003 has 4 divisors (see below), whose sum is σ = 24149262288. Its totient is φ = 22136823720.

The previous prime is 23143042987. The next prime is 23143043023. The reversal of 23143043003 is 30034034132.

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

It is a cyclic number.

It is not a de Polignac number, because 23143043003 - 2⁴ = 23143042987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1006219261 = 23143043003 / (2 + 3 + 1 + 4 + 3 + 0 + 4 + 3 + 0 + 0 + 3).

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 23143043003.

It is not an unprimeable number, because it can be changed into a prime (23143043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503109608 + ... + 503109653.

It is an arithmetic number, because the mean of its divisors is an integer number (6037315572).

Almost surely, 2^23143043003 is an apocalyptic number.

23143043003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23143043003 is a deficient number, since it is larger than the sum of its proper divisors (1006219285).

23143043003 is a wasteful number, since it uses less digits than its factorization.

23143043003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006219284.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23143043003 its reverse (30034034132), we get a palindrome (53177077135).

The spelling of 23143043003 in words is "twenty-three billion, one hundred forty-three million, forty-three thousand, three".