23331020203 has 4 divisors (see below), whose sum is σ = 23331895240. Its totient is φ = 23330145168.

The previous prime is 23331020197. The next prime is 23331020233. The reversal of 23331020203 is 30202013332.

It is a happy number.

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 23331020203 - 2¹³ = 23331012011 is a prime.

It is a super-2 number, since 2×23331020203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331020233) 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, 396225 + ... + 451282.

It is an arithmetic number, because the mean of its divisors is an integer number (5832973810).

Almost surely, 2^23331020203 is an apocalyptic number.

23331020203 is a deficient number, since it is larger than the sum of its proper divisors (875037).

23331020203 is an equidigital number, since it uses as much as digits as its factorization.

23331020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875036.

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

Adding to 23331020203 its reverse (30202013332), we get a palindrome (53533033535).

The spelling of 23331020203 in words is "twenty-three billion, three hundred thirty-one million, twenty thousand, two hundred three".