21223600703 has 4 divisors (see below), whose sum is σ = 21291408048. Its totient is φ = 21155793360.

The previous prime is 21223600693. The next prime is 21223600709. The reversal of 21223600703 is 30700632212.

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 21223600703 - 2⁶ = 21223600639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223600709) 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, 33903203 + ... + 33903828.

It is an arithmetic number, because the mean of its divisors is an integer number (5322852012).

Almost surely, 2^21223600703 is an apocalyptic number.

21223600703 is a deficient number, since it is larger than the sum of its proper divisors (67807345).

21223600703 is an equidigital number, since it uses as much as digits as its factorization.

21223600703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67807344.

The product of its (nonzero) digits is 3024, while the sum is 26.

The spelling of 21223600703 in words is "twenty-one billion, two hundred twenty-three million, six hundred thousand, seven hundred three".