1420023299 has 4 divisors (see below), whose sum is σ = 1422418536. Its totient is φ = 1417628064.

The previous prime is 1420023257. The next prime is 1420023301. The reversal of 1420023299 is 9923200241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9923200241 = 3559 ⋅2788199.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420023299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420023239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196729 + ... + 1197914.

It is an arithmetic number, because the mean of its divisors is an integer number (355604634).

Almost surely, 2^1420023299 is an apocalyptic number.

1420023299 is a deficient number, since it is larger than the sum of its proper divisors (2395237).

1420023299 is an equidigital number, since it uses as much as digits as its factorization.

1420023299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395236.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1420023299 is about 37683.1965071967. The cubic root of 1420023299 is about 1123.9970119663.

The spelling of 1420023299 in words is "one billion, four hundred twenty million, twenty-three thousand, two hundred ninety-nine".