1293423804 has 18 divisors (see below), whose sum is σ = 3269488040. Its totient is φ = 431141256.

The previous prime is 1293423779. The next prime is 1293423829. The reversal of 1293423804 is 4083243921.

It is an interprime number because it is at equal distance from previous prime (1293423779) and next prime (1293423829).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 35928439 = 1293423804 / (1 + 2 + 9 + 3 + 4 + 2 + 3 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17964184 + ... + 17964255.

Almost surely, 2^1293423804 is an apocalyptic number.

It is an amenable number.

1293423804 is an abundant number, since it is smaller than the sum of its proper divisors (1976064236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1293423804 is a wasteful number, since it uses less digits than its factorization.

1293423804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35928449 (or 35928444 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1293423804 is about 35964.2017011361. The cubic root of 1293423804 is about 1089.5494600136.

The spelling of 1293423804 in words is "one billion, two hundred ninety-three million, four hundred twenty-three thousand, eight hundred four".