23403202143 has 8 divisors (see below), whose sum is σ = 31205453568. Its totient is φ = 15601542744.

The previous prime is 23403202129. The next prime is 23403202247. The reversal of 23403202143 is 34120230432.

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

It is not a de Polignac number, because 23403202143 - 2¹⁰ = 23403201119 is a prime.

It is a super-2 number, since 2×23403202143² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403202343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45655 + ... + 221112.

It is an arithmetic number, because the mean of its divisors is an integer number (3900681696).

Almost surely, 2^23403202143 is an apocalyptic number.

23403202143 is a deficient number, since it is larger than the sum of its proper divisors (7802251425).

23403202143 is a wasteful number, since it uses less digits than its factorization.

23403202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296013.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23403202143 its reverse (34120230432), we get a palindrome (57523432575).

The spelling of 23403202143 in words is "twenty-three billion, four hundred three million, two hundred two thousand, one hundred forty-three".