123424069 has 4 divisors (see below), whose sum is σ = 123520096. Its totient is φ = 123328044.

The previous prime is 123424039. The next prime is 123424099. The reversal of 123424069 is 960424321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (123424039) and next prime (123424099).

It is a cyclic number.

It is not a de Polignac number, because 123424069 - 2¹¹ = 123422021 is a prime.

It is a super-2 number, since 2×123424069² = 30467001617033522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123424069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123424039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46059 + ... + 48664.

It is an arithmetic number, because the mean of its divisors is an integer number (30880024).

Almost surely, 2^123424069 is an apocalyptic number.

It is an amenable number.

123424069 is a deficient number, since it is larger than the sum of its proper divisors (96027).

123424069 is an equidigital number, since it uses as much as digits as its factorization.

123424069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96026.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 123424069 is about 11109.6385629776. The cubic root of 123424069 is about 497.8898658621.

The spelling of 123424069 in words is "one hundred twenty-three million, four hundred twenty-four thousand, sixty-nine".