1420323345 has 48 divisors (see below), whose sum is σ = 2821253760. Its totient is φ = 647523072.

The previous prime is 1420323323. The next prime is 1420323367. The reversal of 1420323345 is 5433230241.

1420323345 is a `hidden beast` number, since 1 + 420 + 3 + 233 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1420323323) and next prime (1420323367).

It is not a de Polignac number, because 1420323345 - 2⁷ = 1420323217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113437 + ... + 125333.

It is an arithmetic number, because the mean of its divisors is an integer number (58776120).

Almost surely, 2^1420323345 is an apocalyptic number.

1420323345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420323345 is a deficient number, since it is larger than the sum of its proper divisors (1400930415).

1420323345 is a wasteful number, since it uses less digits than its factorization.

1420323345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294 (or 12291 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1420323345 is about 37687.1774613064. The cubic root of 1420323345 is about 1124.0761719485.

Adding to 1420323345 its reverse (5433230241), we get a palindrome (6853553586).

The spelling of 1420323345 in words is "one billion, four hundred twenty million, three hundred twenty-three thousand, three hundred forty-five".