1204421323 has 12 divisors (see below), whose sum is σ = 1402164432. Its totient is φ = 1031548560.

The previous prime is 1204421303. The next prime is 1204421327. The reversal of 1204421323 is 3231244021.

It is not a de Polignac number, because 1204421323 - 2¹³ = 1204413131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204421294 and 1204421303.

It is not an unprimeable number, because it can be changed into a prime (1204421327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57993 + ... + 75973.

It is an arithmetic number, because the mean of its divisors is an integer number (116847036).

Almost surely, 2^1204421323 is an apocalyptic number.

1204421323 is a deficient number, since it is larger than the sum of its proper divisors (197743109).

1204421323 is a wasteful number, since it uses less digits than its factorization.

1204421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19362 (or 19355 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1204421323 is about 34704.7737782571. The cubic root of 1204421323 is about 1063.9620687078.

Adding to 1204421323 its reverse (3231244021), we get a palindrome (4435665344).

The spelling of 1204421323 in words is "one billion, two hundred four million, four hundred twenty-one thousand, three hundred twenty-three".