1423253774 has 4 divisors (see below), whose sum is σ = 2134880664. Its totient is φ = 711626886.

The previous prime is 1423253761. The next prime is 1423253779. The reversal of 1423253774 is 4773523241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423253779) by changing a digit.

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 as a sum of consecutive naturals, namely, 355813442 + ... + 355813445.

It is an arithmetic number, because the mean of its divisors is an integer number (533720166).

Almost surely, 2^1423253774 is an apocalyptic number.

1423253774 is a deficient number, since it is larger than the sum of its proper divisors (711626890).

1423253774 is an equidigital number, since it uses as much as digits as its factorization.

1423253774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711626889.

The product of its digits is 141120, while the sum is 38.

The square root of 1423253774 is about 37726.0357578158. The cubic root of 1423253774 is about 1124.8487102563.

The spelling of 1423253774 in words is "one billion, four hundred twenty-three million, two hundred fifty-three thousand, seven hundred seventy-four".