123544532 has 6 divisors (see below), whose sum is σ = 216202938. Its totient is φ = 61772264.

The previous prime is 123544507. The next prime is 123544541. The reversal of 123544532 is 235445321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 120868036 + 2676496 = 10994^2 + 1636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123544495 and 123544504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15443063 + ... + 15443070.

It is an arithmetic number, because the mean of its divisors is an integer number (36033823).

Almost surely, 2^123544532 is an apocalyptic number.

It is an amenable number.

123544532 is a deficient number, since it is larger than the sum of its proper divisors (92658406).

123544532 is a wasteful number, since it uses less digits than its factorization.

123544532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30886137 (or 30886135 counting only the distinct ones).

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

The square root of 123544532 is about 11115.0587942665. The cubic root of 123544532 is about 498.0517948526.

Adding to 123544532 its reverse (235445321), we get a palindrome (358989853).

The spelling of 123544532 in words is "one hundred twenty-three million, five hundred forty-four thousand, five hundred thirty-two".