1293423792 has 20 divisors (see below), whose sum is σ = 3341344920. Its totient is φ = 431141248.

The previous prime is 1293423779. The next prime is 1293423829. The reversal of 1293423792 is 2973243921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13473117 + ... + 13473212.

It is an arithmetic number, because the mean of its divisors is an integer number (167067246).

Almost surely, 2^1293423792 is an apocalyptic number.

1293423792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1293423792 is an abundant number, since it is smaller than the sum of its proper divisors (2047921128).

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

1293423792 is a wasteful number, since it uses less digits than its factorization.

1293423792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26946340 (or 26946334 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 1293423792 is about 35964.2015343035. The cubic root of 1293423792 is about 1089.5494566441.

The spelling of 1293423792 in words is "one billion, two hundred ninety-three million, four hundred twenty-three thousand, seven hundred ninety-two".