1204323401 has 12 divisors (see below), whose sum is σ = 1334963712. Its totient is φ = 1084193088.

The previous prime is 1204323391. The next prime is 1204323437. The reversal of 1204323401 is 1043234021.

It is not a de Polignac number, because 1204323401 - 2¹⁴ = 1204307017 is a prime.

It is a super-3 number, since 3×1204323401³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204320401) 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, 83945 + ... + 97238.

It is an arithmetic number, because the mean of its divisors is an integer number (111246976).

Almost surely, 2^1204323401 is an apocalyptic number.

It is an amenable number.

1204323401 is a deficient number, since it is larger than the sum of its proper divisors (130640311).

1204323401 is a wasteful number, since it uses less digits than its factorization.

1204323401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181240 (or 181223 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1204323401 is about 34703.3629638397. The cubic root of 1204323401 is about 1063.9332338044.

Adding to 1204323401 its reverse (1043234021), we get a palindrome (2247557422).

It can be divided in two parts, 1 and 204323401, that added together give a palindrome (204323402).

The spelling of 1204323401 in words is "one billion, two hundred four million, three hundred twenty-three thousand, four hundred one".