427246123 has 4 divisors (see below), whose sum is σ = 441028288. Its totient is φ = 413463960.

The previous prime is 427246109. The next prime is 427246129. The reversal of 427246123 is 321642724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427246123 is a prime.

It is a super-2 number, since 2×427246123² = 365078499237062258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 13782133 = 427246123 / (4 + 2 + 7 + 2 + 4 + 6 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427246129) 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, 6891036 + ... + 6891097.

It is an arithmetic number, because the mean of its divisors is an integer number (110257072).

Almost surely, 2^427246123 is an apocalyptic number.

427246123 is a deficient number, since it is larger than the sum of its proper divisors (13782165).

427246123 is a wasteful number, since it uses less digits than its factorization.

427246123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782164.

The product of its digits is 16128, while the sum is 31.

The square root of 427246123 is about 20669.9328252416. The cubic root of 427246123 is about 753.1694747425.

Adding to 427246123 its reverse (321642724), we get a palindrome (748888847).

The spelling of 427246123 in words is "four hundred twenty-seven million, two hundred forty-six thousand, one hundred twenty-three".