623242051501 has 2 divisors, whose sum is σ = 623242051502. Its totient is φ = 623242051500.

The previous prime is 623242051483. The next prime is 623242051559. The reversal of 623242051501 is 105150242326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408640562500 + 214601489001 = 639250^2 + 463251^2 .

It is a cyclic number.

It is not a de Polignac number, because 623242051501 - 2¹⁹ = 623241527213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623242051561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311621025750 + 311621025751.

It is an arithmetic number, because the mean of its divisors is an integer number (311621025751).

Almost surely, 2^623242051501 is an apocalyptic number.

It is an amenable number.

623242051501 is a deficient number, since it is larger than the sum of its proper divisors (1).

623242051501 is an equidigital number, since it uses as much as digits as its factorization.

623242051501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 623242051501 its reverse (105150242326), we get a palindrome (728392293827).

The spelling of 623242051501 in words is "six hundred twenty-three billion, two hundred forty-two million, fifty-one thousand, five hundred one".