123630733937 has 8 divisors (see below), whose sum is σ = 123856546632. Its totient is φ = 123405004800.

The previous prime is 123630733931. The next prime is 123630733979. The reversal of 123630733937 is 739337036321.

It can be written as a sum of positive squares in 4 ways, for example, as 42373810801 + 81256923136 = 205849^2 + 285056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123630733937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123630733891 and 123630733900.

It is not an unprimeable number, because it can be changed into a prime (123630733931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462737 + ... + 3498257.

It is an arithmetic number, because the mean of its divisors is an integer number (15482068329).

Almost surely, 2^123630733937 is an apocalyptic number.

It is an amenable number.

123630733937 is a deficient number, since it is larger than the sum of its proper divisors (225812695).

123630733937 is an equidigital number, since it uses as much as digits as its factorization.

123630733937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41779.

The product of its (nonzero) digits is 1285956, while the sum is 47.

The spelling of 123630733937 in words is "one hundred twenty-three billion, six hundred thirty million, seven hundred thirty-three thousand, nine hundred thirty-seven".