1323420292 has 24 divisors (see below), whose sum is σ = 2399659416. Its totient is φ = 638120448.

The previous prime is 1323420269. The next prime is 1323420311. The reversal of 1323420292 is 2920243231.

It can be written as a sum of positive squares in 4 ways, for example, as 342102016 + 981318276 = 18496^2 + 31326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1323420292.

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, 22843 + ... + 56290.

It is an arithmetic number, because the mean of its divisors is an integer number (99985809).

Almost surely, 2^1323420292 is an apocalyptic number.

It is an amenable number.

1323420292 is a deficient number, since it is larger than the sum of its proper divisors (1076239124).

1323420292 is a wasteful number, since it uses less digits than its factorization.

1323420292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79287 (or 79285 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1323420292 is about 36378.8440168183. The cubic root of 1323420292 is about 1097.9079498990.

The spelling of 1323420292 in words is "one billion, three hundred twenty-three million, four hundred twenty thousand, two hundred ninety-two".