123543264 has 48 divisors (see below), whose sum is σ = 349250832. Its totient is φ = 38012928.

The previous prime is 123543253. The next prime is 123543269. The reversal of 123543264 is 462345321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123543269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48249 + ... + 50744.

It is an arithmetic number, because the mean of its divisors is an integer number (7276059).

Almost surely, 2^123543264 is an apocalyptic number.

It is an amenable number.

123543264 is an abundant number, since it is smaller than the sum of its proper divisors (225707568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123543264 is a wasteful number, since it uses less digits than its factorization.

123543264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99019 (or 99011 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 123543264 is about 11115.0017543858. The cubic root of 123543264 is about 498.0500909277.

Adding to 123543264 its reverse (462345321), we get a palindrome (585888585).

The spelling of 123543264 in words is "one hundred twenty-three million, five hundred forty-three thousand, two hundred sixty-four".