123995782552 has 32 divisors (see below), whose sum is σ = 233783359920. Its totient is φ = 61653854080.

The previous prime is 123995782549. The next prime is 123995782591. The reversal of 123995782552 is 255287599321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507927 + ... + 3543097.

Almost surely, 2^123995782552 is an apocalyptic number.

It is an amenable number.

123995782552 is a deficient number, since it is larger than the sum of its proper divisors (109787577368).

123995782552 is a wasteful number, since it uses less digits than its factorization.

123995782552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37611 (or 37607 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 58.

The spelling of 123995782552 in words is "one hundred twenty-three billion, nine hundred ninety-five million, seven hundred eighty-two thousand, five hundred fifty-two".