23203131303 has 16 divisors (see below), whose sum is σ = 35526326400. Its totient is φ = 13322371680.

The previous prime is 23203131293. The next prime is 23203131307. The reversal of 23203131303 is 30313130232.

It is not a de Polignac number, because 23203131303 - 2²¹ = 23201034151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23203131303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203131307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18502668 + ... + 18503921.

It is an arithmetic number, because the mean of its divisors is an integer number (2220395400).

Almost surely, 2^23203131303 is an apocalyptic number.

23203131303 is a deficient number, since it is larger than the sum of its proper divisors (12323195097).

23203131303 is a wasteful number, since it uses less digits than its factorization.

23203131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37006622.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23203131303 its reverse (30313130232), we get a palindrome (53516261535).

The spelling of 23203131303 in words is "twenty-three billion, two hundred three million, one hundred thirty-one thousand, three hundred three".