123507796 has 6 divisors (see below), whose sum is σ = 216138650. Its totient is φ = 61753896.

The previous prime is 123507793. The next prime is 123507823. The reversal of 123507796 is 697705321.

It can be written as a sum of positive squares in only one way, i.e., 122899396 + 608400 = 11086^2 + 780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123507793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15438471 + ... + 15438478.

Almost surely, 2^123507796 is an apocalyptic number.

It is an amenable number.

123507796 is a deficient number, since it is larger than the sum of its proper divisors (92630854).

123507796 is a wasteful number, since it uses less digits than its factorization.

123507796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30876953 (or 30876951 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 123507796 is about 11113.4061385338. The cubic root of 123507796 is about 498.0024246803.

The spelling of 123507796 in words is "one hundred twenty-three million, five hundred seven thousand, seven hundred ninety-six".