123544056 has 32 divisors (see below), whose sum is σ = 310199760. Its totient is φ = 41002752.

The previous prime is 123544037. The next prime is 123544067. The reversal of 123544056 is 650445321.

It is a super-2 number, since 2×123544056² = 30526267545862272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455 + ... + 16638.

Almost surely, 2^123544056 is an apocalyptic number.

It is an amenable number.

123544056 is an abundant number, since it is smaller than the sum of its proper divisors (186655704).

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

123544056 is a wasteful number, since it uses less digits than its factorization.

123544056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335 (or 22331 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 123544056 is about 11115.0373818535. The cubic root of 123544056 is about 498.0511552102.

Adding to 123544056 its reverse (650445321), we get a palindrome (773989377).

The spelling of 123544056 in words is "one hundred twenty-three million, five hundred forty-four thousand, fifty-six".