1023322451 has 2 divisors, whose sum is σ = 1023322452. Its totient is φ = 1023322450.

The previous prime is 1023322409. The next prime is 1023322457. The reversal of 1023322451 is 1542233201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1542233201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023322451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023322457) 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 as a sum of consecutive naturals, namely, 511661225 + 511661226.

It is an arithmetic number, because the mean of its divisors is an integer number (511661226).

Almost surely, 2^1023322451 is an apocalyptic number.

1023322451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023322451 is an equidigital number, since it uses as much as digits as its factorization.

1023322451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1023322451 is about 31989.4115450722. The cubic root of 1023322451 is about 1007.7144840314.

Adding to 1023322451 its reverse (1542233201), we get a palindrome (2565555652).

The spelling of 1023322451 in words is "one billion, twenty-three million, three hundred twenty-two thousand, four hundred fifty-one".