1123631930737 has 2 divisors, whose sum is σ = 1123631930738. Its totient is φ = 1123631930736.

The previous prime is 1123631930699. The next prime is 1123631930767. The reversal of 1123631930737 is 7370391363211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118822369536 + 4809561201 = 1057744^2 + 69351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123631930737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123631930767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561815965368 + 561815965369.

It is an arithmetic number, because the mean of its divisors is an integer number (561815965369).

Almost surely, 2^{1123631930737} is an apocalyptic number.

It is an amenable number.

1123631930737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123631930737 is an equidigital number, since it uses as much as digits as its factorization.

1123631930737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 428652, while the sum is 46.

The spelling of 1123631930737 in words is "one trillion, one hundred twenty-three billion, six hundred thirty-one million, nine hundred thirty thousand, seven hundred thirty-seven".