1420723346 has 48 divisors (see below), whose sum is σ = 2515018752. Its totient is φ = 600112800.

The previous prime is 1420723321. The next prime is 1420723391. The reversal of 1420723346 is 6433270241.

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 in 23 ways as a sum of consecutive naturals, for example, 2625836 + ... + 2626376.

It is an arithmetic number, because the mean of its divisors is an integer number (52396224).

Almost surely, 2^1420723346 is an apocalyptic number.

1420723346 is a deficient number, since it is larger than the sum of its proper divisors (1094295406).

1420723346 is a wasteful number, since it uses less digits than its factorization.

1420723346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 1420723346 is about 37692.4839457418. The cubic root of 1420723346 is about 1124.1816853377.

Adding to 1420723346 its reverse (6433270241), we get a palindrome (7853993587).

The spelling of 1420723346 in words is "one billion, four hundred twenty million, seven hundred twenty-three thousand, three hundred forty-six".