223212121303003 has 24 divisors (see below), whose sum is σ = 270973429269408. Its totient is φ = 182986509758976.

The previous prime is 223212121302979. The next prime is 223212121303021. The reversal of 223212121303003 is 300303121212322.

It is not a de Polignac number, because 223212121303003 - 2³⁷ = 223074682349531 is a prime.

It is a super-3 number, since 3×223212121303003³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223212121303033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183126 + ... + 21129547.

It is an arithmetic number, because the mean of its divisors is an integer number (11290559552892).

Almost surely, 2^{223212121303003} is an apocalyptic number.

223212121303003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223212121303003 is a deficient number, since it is larger than the sum of its proper divisors (47761307966405).

223212121303003 is a wasteful number, since it uses less digits than its factorization.

223212121303003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322003 (or 21321996 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 223212121303003 its reverse (300303121212322), we get a palindrome (523515242515325).

The spelling of 223212121303003 in words is "two hundred twenty-three trillion, two hundred twelve billion, one hundred twenty-one million, three hundred three thousand, three".