13423021233 has 4 divisors (see below), whose sum is σ = 17897361648. Its totient is φ = 8948680820.

The previous prime is 13423021193. The next prime is 13423021273. The reversal of 13423021233 is 33212032431.

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 an interprime number because it is at equal distance from previous prime (13423021193) and next prime (13423021273).

It is a cyclic number.

It is not a de Polignac number, because 13423021233 - 2¹⁶ = 13422955697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423021273) 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, 2237170203 + ... + 2237170208.

It is an arithmetic number, because the mean of its divisors is an integer number (4474340412).

Almost surely, 2^13423021233 is an apocalyptic number.

It is an amenable number.

13423021233 is a deficient number, since it is larger than the sum of its proper divisors (4474340415).

13423021233 is an equidigital number, since it uses as much as digits as its factorization.

13423021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474340414.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13423021233 its reverse (33212032431), we get a palindrome (46635053664).

The spelling of 13423021233 in words is "thirteen billion, four hundred twenty-three million, twenty-one thousand, two hundred thirty-three".