1233642342061 has 4 divisors (see below), whose sum is σ = 1298570886400. Its totient is φ = 1168713797724.

The previous prime is 1233642341993. The next prime is 1233642342067. The reversal of 1233642342061 is 1602432463321.

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 1233642342061 - 2¹⁷ = 1233642210989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233642342061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233642342067) 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, 32464272141 + ... + 32464272178.

It is an arithmetic number, because the mean of its divisors is an integer number (324642721600).

Almost surely, 2^{1233642342061} is an apocalyptic number.

It is an amenable number.

1233642342061 is a deficient number, since it is larger than the sum of its proper divisors (64928544339).

1233642342061 is an equidigital number, since it uses as much as digits as its factorization.

1233642342061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64928544338.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 1233642342061 in words is "one trillion, two hundred thirty-three billion, six hundred forty-two million, three hundred forty-two thousand, sixty-one".