233103223021 has 4 divisors (see below), whose sum is σ = 238062866112. Its totient is φ = 228143579932.

The previous prime is 233103223019. The next prime is 233103223057. The reversal of 233103223021 is 120322301332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233103223021 - 2¹ = 233103223019 is a prime.

It is a super-2 number, since 2×233103223021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233103222983 and 233103223001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233103223081) 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, 2479821475 + ... + 2479821568.

It is an arithmetic number, because the mean of its divisors is an integer number (59515716528).

Almost surely, 2^233103223021 is an apocalyptic number.

It is an amenable number.

233103223021 is a deficient number, since it is larger than the sum of its proper divisors (4959643091).

233103223021 is an equidigital number, since it uses as much as digits as its factorization.

233103223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959643090.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233103223021 its reverse (120322301332), we get a palindrome (353425524353).

The spelling of 233103223021 in words is "two hundred thirty-three billion, one hundred three million, two hundred twenty-three thousand, twenty-one".