1302020423 has 12 divisors (see below), whose sum is σ = 1428672024. Its totient is φ = 1176789600.

The previous prime is 1302020411. The next prime is 1302020519. The reversal of 1302020423 is 3240202031.

It is not a de Polignac number, because 1302020423 - 2⁴ = 1302020407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302020323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358565 + ... + 362177.

It is an arithmetic number, because the mean of its divisors is an integer number (119056002).

Almost surely, 2^1302020423 is an apocalyptic number.

1302020423 is a deficient number, since it is larger than the sum of its proper divisors (126651601).

1302020423 is an equidigital number, since it uses as much as digits as its factorization.

1302020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1302020423 is about 36083.5201026729. The cubic root of 1302020423 is about 1091.9579943209.

Adding to 1302020423 its reverse (3240202031), we get a palindrome (4542222454).

The spelling of 1302020423 in words is "one billion, three hundred two million, twenty thousand, four hundred twenty-three".