1302201423 has 24 divisors (see below), whose sum is σ = 1990941680. Its totient is φ = 817879680.

The previous prime is 1302201409. The next prime is 1302201431. The reversal of 1302201423 is 3241022031.

It is not a de Polignac number, because 1302201423 - 2⁵ = 1302201391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302201396 and 1302201405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302201403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9915 + ... + 51987.

Almost surely, 2^1302201423 is an apocalyptic number.

1302201423 is a deficient number, since it is larger than the sum of its proper divisors (688740257).

1302201423 is a wasteful number, since it uses less digits than its factorization.

1302201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42279 (or 42276 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1302201423 is about 36086.0280856733. The cubic root of 1302201423 is about 1092.0085913867.

Adding to 1302201423 its reverse (3241022031), we get a palindrome (4543223454).

The spelling of 1302201423 in words is "one billion, three hundred two million, two hundred one thousand, four hundred twenty-three".