22501623230413 has 2 divisors, whose sum is σ = 22501623230414. Its totient is φ = 22501623230412.

The previous prime is 22501623230407. The next prime is 22501623230503. The reversal of 22501623230413 is 31403232610522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22479148123524 + 22475106889 = 4741218^2 + 149917^2 .

It is a cyclic number.

It is not a de Polignac number, because 22501623230413 - 2⁹ = 22501623229901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22501623239413) 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, 11250811615206 + 11250811615207.

It is an arithmetic number, because the mean of its divisors is an integer number (11250811615207).

Almost surely, 2^{22501623230413} is an apocalyptic number.

It is an amenable number.

22501623230413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501623230413 is an equidigital number, since it uses as much as digits as its factorization.

22501623230413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 22501623230413 its reverse (31403232610522), we get a palindrome (53904855840935).

The spelling of 22501623230413 in words is "twenty-two trillion, five hundred one billion, six hundred twenty-three million, two hundred thirty thousand, four hundred thirteen".