123800288738 has 16 divisors (see below), whose sum is σ = 212261385600. Its totient is φ = 53049186816.

The previous prime is 123800288723. The next prime is 123800288743. The reversal of 123800288738 is 837882008321.

It is a super-2 number, since 2×123800288738² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577631 + ... + 762402.

It is an arithmetic number, because the mean of its divisors is an integer number (13266336600).

Almost surely, 2^123800288738 is an apocalyptic number.

123800288738 is a deficient number, since it is larger than the sum of its proper divisors (88461096862).

123800288738 is a wasteful number, since it uses less digits than its factorization.

123800288738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346641.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 123800288738 in words is "one hundred twenty-three billion, eight hundred million, two hundred eighty-eight thousand, seven hundred thirty-eight".