1302022423 has 4 divisors (see below), whose sum is σ = 1402178008. Its totient is φ = 1201866840.

The previous prime is 1302022417. The next prime is 1302022427. The reversal of 1302022423 is 3242202031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242202031 = 479 ⋅6768689.

It is a cyclic number.

It is not a de Polignac number, because 1302022423 - 2²¹ = 1299925271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302022423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302022427) 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, 50077773 + ... + 50077798.

It is an arithmetic number, because the mean of its divisors is an integer number (350544502).

Almost surely, 2^1302022423 is an apocalyptic number.

1302022423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1302022423 is a deficient number, since it is larger than the sum of its proper divisors (100155585).

1302022423 is a wasteful number, since it uses less digits than its factorization.

1302022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100155584.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1302022423 is about 36083.5478161447. The cubic root of 1302022423 is about 1091.9585534301.

Adding to 1302022423 its reverse (3242202031), we get a palindrome (4544224454).

The spelling of 1302022423 in words is "one billion, three hundred two million, twenty-two thousand, four hundred twenty-three".