1382423457 has 8 divisors (see below), whose sum is σ = 1845797760. Its totient is φ = 920332400.

The previous prime is 1382423453. The next prime is 1382423467. The reversal of 1382423457 is 7543242831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1382423457 - 2² = 1382423453 is a prime.

It is a super-2 number, since 2×1382423457² = 3822189228927661698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382423453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318294 + ... + 322607.

It is an arithmetic number, because the mean of its divisors is an integer number (230724720).

Almost surely, 2^1382423457 is an apocalyptic number.

It is an amenable number.

1382423457 is a deficient number, since it is larger than the sum of its proper divisors (463374303).

1382423457 is an equidigital number, since it uses as much as digits as its factorization.

1382423457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641623.

The product of its digits is 161280, while the sum is 39.

The square root of 1382423457 is about 37180.9555686779. The cubic root of 1382423457 is about 1113.9876208271.

The spelling of 1382423457 in words is "one billion, three hundred eighty-two million, four hundred twenty-three thousand, four hundred fifty-seven".