123455044 has 6 divisors (see below), whose sum is σ = 216046334. Its totient is φ = 61727520.

The previous prime is 123455039. The next prime is 123455069. The reversal of 123455044 is 440554321.

It can be written as a sum of positive squares in only one way, i.e., 72046144 + 51408900 = 8488^2 + 7170^2 .

It is a super-2 number, since 2×123455044² = 30482295778083872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15431877 + ... + 15431884.

Almost surely, 2^123455044 is an apocalyptic number.

It is an amenable number.

123455044 is a deficient number, since it is larger than the sum of its proper divisors (92591290).

123455044 is a wasteful number, since it uses less digits than its factorization.

123455044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30863765 (or 30863763 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 123455044 is about 11111.0325352777. The cubic root of 123455044 is about 497.9315131917.

The spelling of 123455044 in words is "one hundred twenty-three million, four hundred fifty-five thousand, forty-four".