1202023253 has 2 divisors, whose sum is σ = 1202023254. Its totient is φ = 1202023252.

The previous prime is 1202023189. The next prime is 1202023259. The reversal of 1202023253 is 3523202021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980817124 + 221206129 = 31318^2 + 14873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202023253 - 2⁶ = 1202023189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202023259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601011626 + 601011627.

It is an arithmetic number, because the mean of its divisors is an integer number (601011627).

Almost surely, 2^1202023253 is an apocalyptic number.

It is an amenable number.

1202023253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202023253 is an equidigital number, since it uses as much as digits as its factorization.

1202023253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1202023253 is about 34670.2069939018. The cubic root of 1202023253 is about 1063.2554636053.

Adding to 1202023253 its reverse (3523202021), we get a palindrome (4725225274).

The spelling of 1202023253 in words is "one billion, two hundred two million, twenty-three thousand, two hundred fifty-three".