1492381223 has 4 divisors (see below), whose sum is σ = 1517675880. Its totient is φ = 1467086568.

The previous prime is 1492381207. The next prime is 1492381229. The reversal of 1492381223 is 3221832941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221832941 = 25117 ⋅128273.

It is a cyclic number.

It is not a de Polignac number, because 1492381223 - 2⁴ = 1492381207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492381229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12647240 + ... + 12647357.

It is an arithmetic number, because the mean of its divisors is an integer number (379418970).

Almost surely, 2^1492381223 is an apocalyptic number.

1492381223 is a deficient number, since it is larger than the sum of its proper divisors (25294657).

1492381223 is an equidigital number, since it uses as much as digits as its factorization.

1492381223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25294656.

The product of its digits is 20736, while the sum is 35.

The square root of 1492381223 is about 38631.3502611545. The cubic root of 1492381223 is about 1142.7728803121.

The spelling of 1492381223 in words is "one billion, four hundred ninety-two million, three hundred eighty-one thousand, two hundred twenty-three".