1302220023 has 32 divisors (see below), whose sum is σ = 1926844416. Its totient is φ = 777251328.

The previous prime is 1302220021. The next prime is 1302220079. The reversal of 1302220023 is 3200222031.

It is not a de Polignac number, because 1302220023 - 2¹ = 1302220021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302219984 and 1302220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203986 + ... + 210272.

It is an arithmetic number, because the mean of its divisors is an integer number (60213888).

Almost surely, 2^1302220023 is an apocalyptic number.

1302220023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1302220023 is a deficient number, since it is larger than the sum of its proper divisors (624624393).

1302220023 is a wasteful number, since it uses less digits than its factorization.

1302220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1302220023 is about 36086.2858022269. The cubic root of 1302220023 is about 1092.0137905986.

Adding to 1302220023 its reverse (3200222031), we get a palindrome (4502442054).

The spelling of 1302220023 in words is "one billion, three hundred two million, two hundred twenty thousand, twenty-three".