1200323351 has 2 divisors, whose sum is σ = 1200323352. Its totient is φ = 1200323350.

The previous prime is 1200323329. The next prime is 1200323357. The reversal of 1200323351 is 1533230021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200323351 - 2¹⁸ = 1200061207 is a prime.

It is a super-2 number, since 2×1200323351² = 2881552293911738402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200323357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600161675 + 600161676.

It is an arithmetic number, because the mean of its divisors is an integer number (600161676).

Almost surely, 2^1200323351 is an apocalyptic number.

1200323351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200323351 is an equidigital number, since it uses as much as digits as its factorization.

1200323351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1200323351 is about 34645.6830066893. The cubic root of 1200323351 is about 1062.7540083083.

Adding to 1200323351 its reverse (1533230021), we get a palindrome (2733553372).

The spelling of 1200323351 in words is "one billion, two hundred million, three hundred twenty-three thousand, three hundred fifty-one".