123854623 has 2 divisors, whose sum is σ = 123854624. Its totient is φ = 123854622.

The previous prime is 123854617. The next prime is 123854657. The reversal of 123854623 is 326458321.

It is an a-pointer prime, because the next prime (123854657) can be obtained adding 123854623 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123854623 - 2⁹ = 123854111 is a prime.

It is equal to p_7048618 and since 123854623 and 7048618 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123854023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61927311 + 61927312.

It is an arithmetic number, because the mean of its divisors is an integer number (61927312).

Almost surely, 2^123854623 is an apocalyptic number.

123854623 is a deficient number, since it is larger than the sum of its proper divisors (1).

123854623 is an equidigital number, since it uses as much as digits as its factorization.

123854623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 123854623 is about 11128.9991913020. Note that the first 3 decimals coincide. The cubic root of 123854623 is about 498.4681422834.

The spelling of 123854623 in words is "one hundred twenty-three million, eight hundred fifty-four thousand, six hundred twenty-three".