263250220123 has 16 divisors (see below), whose sum is σ = 290268402912. Its totient is φ = 236750400000.

The previous prime is 263250220031. The next prime is 263250220141. The reversal of 263250220123 is 321022052362.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 263250220123 - 2¹⁷ = 263250089051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 263250220091 and 263250220100.

It is not an unprimeable number, because it can be changed into a prime (263250220223) 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 in 15 ways as a sum of consecutive naturals, for example, 1235665 + ... + 1432957.

It is an arithmetic number, because the mean of its divisors is an integer number (18141775182).

Almost surely, 2^263250220123 is an apocalyptic number.

263250220123 is a deficient number, since it is larger than the sum of its proper divisors (27018182789).

263250220123 is a wasteful number, since it uses less digits than its factorization.

263250220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198606.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 263250220123 its reverse (321022052362), we get a palindrome (584272272485).

The spelling of 263250220123 in words is "two hundred sixty-three billion, two hundred fifty million, two hundred twenty thousand, one hundred twenty-three".