1420023298 has 4 divisors (see below), whose sum is σ = 2130034950. Its totient is φ = 710011648.

The previous prime is 1420023257. The next prime is 1420023301. The reversal of 1420023298 is 8923200241.

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

It can be written as a sum of positive squares in only one way, i.e., 756085009 + 663938289 = 27497^2 + 25767^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 355005823 + ... + 355005826.

Almost surely, 2^1420023298 is an apocalyptic number.

1420023298 is a deficient number, since it is larger than the sum of its proper divisors (710011652).

1420023298 is an equidigital number, since it uses as much as digits as its factorization.

1420023298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710011651.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1420023298 is about 37683.1964939282. The cubic root of 1420023298 is about 1123.9970117025.

The spelling of 1420023298 in words is "one billion, four hundred twenty million, twenty-three thousand, two hundred ninety-eight".