2523473223889 has 2 divisors, whose sum is σ = 2523473223890. Its totient is φ = 2523473223888.

The previous prime is 2523473223877. The next prime is 2523473223979. The reversal of 2523473223889 is 9883223743252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114406810000 + 409066413889 = 1454100^2 + 639583^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523473223889 - 2³⁹ = 1973717410001 is a prime.

It is a super-2 number, since 2×2523473223889² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2523473223839) 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, 1261736611944 + 1261736611945.

It is an arithmetic number, because the mean of its divisors is an integer number (1261736611945).

Almost surely, 2^{2523473223889} is an apocalyptic number.

It is an amenable number.

2523473223889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523473223889 is an equidigital number, since it uses as much as digits as its factorization.

2523473223889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 58.

The spelling of 2523473223889 in words is "two trillion, five hundred twenty-three billion, four hundred seventy-three million, two hundred twenty-three thousand, eight hundred eighty-nine".