12230323145 has 8 divisors (see below), whose sum is σ = 14682802056. Its totient is φ = 9779982336.

The previous prime is 12230323121. The next prime is 12230323177. The reversal of 12230323145 is 54132303221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 93334921 + 12136988224 = 9661^2 + 110168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12230323145 - 2²⁰ = 12229274569 is a prime.

It is a super-2 number, since 2×12230323145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521912 + ... + 544841.

It is an arithmetic number, because the mean of its divisors is an integer number (1835350257).

Almost surely, 2^12230323145 is an apocalyptic number.

It is an amenable number.

12230323145 is a deficient number, since it is larger than the sum of its proper divisors (2452478911).

12230323145 is a wasteful number, since it uses less digits than its factorization.

12230323145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069051.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 12230323145 its reverse (54132303221), we get a palindrome (66362626366).

The spelling of 12230323145 in words is "twelve billion, two hundred thirty million, three hundred twenty-three thousand, one hundred forty-five".