123255016 has 8 divisors (see below), whose sum is σ = 231103170. Its totient is φ = 61627504.

The previous prime is 123255007. The next prime is 123255023. The reversal of 123255016 is 610552321.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 29746116 = 9670^2 + 5454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7703431 + ... + 7703446.

Almost surely, 2^123255016 is an apocalyptic number.

It is an amenable number.

123255016 is a deficient number, since it is larger than the sum of its proper divisors (107848154).

123255016 is a wasteful number, since it uses less digits than its factorization.

123255016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15406883 (or 15406879 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 123255016 is about 11102.0275625671. The cubic root of 123255016 is about 497.6624433549.

The spelling of 123255016 in words is "one hundred twenty-three million, two hundred fifty-five thousand, sixteen".