10423430440223 has 4 divisors (see below), whose sum is σ = 10972032042360. Its totient is φ = 9874828838088.

The previous prime is 10423430440193. The next prime is 10423430440243. The reversal of 10423430440223 is 32204403432401.

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 10423430440223 - 2¹⁰ = 10423430439199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10423430440223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423430440243) 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, 274300801040 + ... + 274300801077.

It is an arithmetic number, because the mean of its divisors is an integer number (2743008010590).

Almost surely, 2^{10423430440223} is an apocalyptic number.

10423430440223 is a deficient number, since it is larger than the sum of its proper divisors (548601602137).

10423430440223 is an equidigital number, since it uses as much as digits as its factorization.

10423430440223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548601602136.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 10423430440223 its reverse (32204403432401), we get a palindrome (42627833872624).

The spelling of 10423430440223 in words is "ten trillion, four hundred twenty-three billion, four hundred thirty million, four hundred forty thousand, two hundred twenty-three".