623242342201 has 2 divisors, whose sum is σ = 623242342202. Its totient is φ = 623242342200.

The previous prime is 623242342193. The next prime is 623242342213. The reversal of 623242342201 is 102243242326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579905095225 + 43337246976 = 761515^2 + 208176^2 .

It is a cyclic number.

It is not a de Polignac number, because 623242342201 - 2³ = 623242342193 is a prime.

It is a super-2 number, since 2×623242342201² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (623242342901) 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, 311621171100 + 311621171101.

It is an arithmetic number, because the mean of its divisors is an integer number (311621171101).

Almost surely, 2^623242342201 is an apocalyptic number.

It is an amenable number.

623242342201 is a deficient number, since it is larger than the sum of its proper divisors (1).

623242342201 is an equidigital number, since it uses as much as digits as its factorization.

623242342201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 623242342201 its reverse (102243242326), we get a palindrome (725485584527).

The spelling of 623242342201 in words is "six hundred twenty-three billion, two hundred forty-two million, three hundred forty-two thousand, two hundred one".