2321355401 has 2 divisors, whose sum is σ = 2321355402. Its totient is φ = 2321355400.

The previous prime is 2321355383. The next prime is 2321355409. The reversal of 2321355401 is 1045531232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1804975225 + 516380176 = 42485^2 + 22724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321355401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2321355409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160677700 + 1160677701.

It is an arithmetic number, because the mean of its divisors is an integer number (1160677701).

Almost surely, 2^2321355401 is an apocalyptic number.

It is an amenable number.

2321355401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321355401 is an equidigital number, since it uses as much as digits as its factorization.

2321355401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2321355401 is about 48180.4462515656. The cubic root of 2321355401 is about 1324.0789423712.

Adding to 2321355401 its reverse (1045531232), we get a palindrome (3366886633).

The spelling of 2321355401 in words is "two billion, three hundred twenty-one million, three hundred fifty-five thousand, four hundred one".