1230356230661 has 4 divisors (see below), whose sum is σ = 1232990826912. Its totient is φ = 1227721634412.

The previous prime is 1230356230643. The next prime is 1230356230667. The reversal of 1230356230661 is 1660326530321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230356230661 - 2³⁸ = 955478323717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230356230667) 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, 1317297425 + ... + 1317298358.

It is an arithmetic number, because the mean of its divisors is an integer number (308247706728).

Almost surely, 2^{1230356230661} is an apocalyptic number.

It is an amenable number.

1230356230661 is a deficient number, since it is larger than the sum of its proper divisors (2634596251).

1230356230661 is an equidigital number, since it uses as much as digits as its factorization.

1230356230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634596250.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 1230356230661 in words is "one trillion, two hundred thirty billion, three hundred fifty-six million, two hundred thirty thousand, six hundred sixty-one".