123543425 has 12 divisors (see below), whose sum is σ = 155042160. Its totient is φ = 97642320.

The previous prime is 123543421. The next prime is 123543467. The reversal of 123543425 is 524345321.

It is a happy number.

It is not a de Polignac number, because 123543425 - 2² = 123543421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123543421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27695 + ... + 31844.

It is an arithmetic number, because the mean of its divisors is an integer number (12920180).

Almost surely, 2^123543425 is an apocalyptic number.

It is an amenable number.

123543425 is a deficient number, since it is larger than the sum of its proper divisors (31498735).

123543425 is an equidigital number, since it uses as much as digits as its factorization.

123543425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59632 (or 59627 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 123543425 is about 11115.0089968475. The cubic root of 123543425 is about 498.0503072784.

Adding to 123543425 its reverse (524345321), we get a palindrome (647888746).

The spelling of 123543425 in words is "one hundred twenty-three million, five hundred forty-three thousand, four hundred twenty-five".