10423421333 has 4 divisors (see below), whose sum is σ = 11225222988. Its totient is φ = 9621619680.

The previous prime is 10423421317. The next prime is 10423421339. The reversal of 10423421333 is 33312432401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4968417169 + 5455004164 = 70487^2 + 73858^2 .

It is a cyclic number.

It is not a de Polignac number, because 10423421333 - 2⁴ = 10423421317 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 (10423421339) 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, 400900808 + ... + 400900833.

It is an arithmetic number, because the mean of its divisors is an integer number (2806305747).

Almost surely, 2^10423421333 is an apocalyptic number.

10423421333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10423421333 is a deficient number, since it is larger than the sum of its proper divisors (801801655).

10423421333 is an equidigital number, since it uses as much as digits as its factorization.

10423421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801801654.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 10423421333 its reverse (33312432401), we get a palindrome (43735853734).

The spelling of 10423421333 in words is "ten billion, four hundred twenty-three million, four hundred twenty-one thousand, three hundred thirty-three".