123911014573 has 2 divisors, whose sum is σ = 123911014574. Its totient is φ = 123911014572.

The previous prime is 123911014571. The next prime is 123911014597. The reversal of 123911014573 is 375410119321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119468392164 + 4442622409 = 345642^2 + 66653^2 .

It is a cyclic number.

It is not a de Polignac number, because 123911014573 - 2¹ = 123911014571 is a prime.

Together with 123911014571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123911014571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61955507286 + 61955507287.

It is an arithmetic number, because the mean of its divisors is an integer number (61955507287).

Almost surely, 2^123911014573 is an apocalyptic number.

It is an amenable number.

123911014573 is a deficient number, since it is larger than the sum of its proper divisors (1).

123911014573 is an equidigital number, since it uses as much as digits as its factorization.

123911014573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 123911014573 in words is "one hundred twenty-three billion, nine hundred eleven million, fourteen thousand, five hundred seventy-three".