1230635235601 has 4 divisors (see below), whose sum is σ = 1263895647412. Its totient is φ = 1197374823792.

The previous prime is 1230635235593. The next prime is 1230635235611. The reversal of 1230635235601 is 1065325360321.

It is a Cunningham number, because it is equal to 1109340²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1101189989376 + 129445246225 = 1049376^2 + 359785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230635235601 - 2³ = 1230635235593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 33260411773 = 1230635235601 / (1 + 2 + 3 + 0 + 6 + 3 + 5 + 2 + 3 + 5 + 6 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230635235611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16630205850 + ... + 16630205923.

It is an arithmetic number, because the mean of its divisors is an integer number (315973911853).

Almost surely, 2^{1230635235601} is an apocalyptic number.

It is an amenable number.

1230635235601 is a deficient number, since it is larger than the sum of its proper divisors (33260411811).

1230635235601 is an equidigital number, since it uses as much as digits as its factorization.

1230635235601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33260411810.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 1230635235601 in words is "one trillion, two hundred thirty billion, six hundred thirty-five million, two hundred thirty-five thousand, six hundred one".