123144425 has 12 divisors (see below), whose sum is σ = 152894976. Its totient is φ = 98389200.

The previous prime is 123144383. The next prime is 123144449. The reversal of 123144425 is 524441321.

It is not a de Polignac number, because 123144425 - 2⁸ = 123144169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123144394 and 123144403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20072 + ... + 25478.

It is an arithmetic number, because the mean of its divisors is an integer number (12741248).

Almost surely, 2^123144425 is an apocalyptic number.

It is an amenable number.

123144425 is a deficient number, since it is larger than the sum of its proper divisors (29750551).

123144425 is an equidigital number, since it uses as much as digits as its factorization.

123144425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328 (or 6323 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 123144425 is about 11097.0457780438. The cubic root of 123144425 is about 497.5135556856.

Adding to 123144425 its reverse (524441321), we get a palindrome (647585746).

The spelling of 123144425 in words is "one hundred twenty-three million, one hundred forty-four thousand, four hundred twenty-five".