123758737552 has 20 divisors (see below), whose sum is σ = 239804203756. Its totient is φ = 61873781760.

The previous prime is 123758737547. The next prime is 123758737561. The reversal of 123758737552 is 255737857321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65872302336 + 57886435216 = 256656^2 + 240596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123758737493 and 123758737502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163449 + ... + 523672.

Almost surely, 2^123758737552 is an apocalyptic number.

It is an amenable number.

123758737552 is a deficient number, since it is larger than the sum of its proper divisors (116045466204).

123758737552 is a wasteful number, since it uses less digits than its factorization.

123758737552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698386 (or 698380 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 55.

The spelling of 123758737552 in words is "one hundred twenty-three billion, seven hundred fifty-eight million, seven hundred thirty-seven thousand, five hundred fifty-two".