123290263 has 2 divisors, whose sum is σ = 123290264. Its totient is φ = 123290262.

The previous prime is 123290261. The next prime is 123290269. The reversal of 123290263 is 362092321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123290263 - 2¹ = 123290261 is a prime.

Together with 123290261, 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 (123290261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61645131 + 61645132.

It is an arithmetic number, because the mean of its divisors is an integer number (61645132).

Almost surely, 2^123290263 is an apocalyptic number.

123290263 is a deficient number, since it is larger than the sum of its proper divisors (1).

123290263 is an equidigital number, since it uses as much as digits as its factorization.

123290263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 123290263 is about 11103.6148618367. The cubic root of 123290263 is about 497.7098773578.

The spelling of 123290263 in words is "one hundred twenty-three million, two hundred ninety thousand, two hundred sixty-three".