123248623 has 4 divisors (see below), whose sum is σ = 130498560. Its totient is φ = 115998688.

The previous prime is 123248603. The next prime is 123248627. The reversal of 123248623 is 326842321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326842321 = 13 ⋅25141717.

It is a cyclic number.

It is not a de Polignac number, because 123248623 - 2¹³ = 123240431 is a prime.

It is a super-2 number, since 2×123248623² = 30380446142792258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123248627) 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 in 3 ways as a sum of consecutive naturals, for example, 3624943 + ... + 3624976.

It is an arithmetic number, because the mean of its divisors is an integer number (32624640).

Almost surely, 2^123248623 is an apocalyptic number.

123248623 is a deficient number, since it is larger than the sum of its proper divisors (7249937).

123248623 is an equidigital number, since it uses as much as digits as its factorization.

123248623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249936.

The product of its digits is 13824, while the sum is 31.

The square root of 123248623 is about 11101.7396384531. The cubic root of 123248623 is about 497.6538389424.

The spelling of 123248623 in words is "one hundred twenty-three million, two hundred forty-eight thousand, six hundred twenty-three".