1233142404493 has 2 divisors, whose sum is σ = 1233142404494. Its totient is φ = 1233142404492.

The previous prime is 1233142404401. The next prime is 1233142404503. The reversal of 1233142404493 is 3944042413321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229053825129 + 4088579364 = 1108627^2 + 63942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233142404493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233142401493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616571202246 + 616571202247.

It is an arithmetic number, because the mean of its divisors is an integer number (616571202247).

Almost surely, 2^{1233142404493} is an apocalyptic number.

It is an amenable number.

1233142404493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233142404493 is an equidigital number, since it uses as much as digits as its factorization.

1233142404493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 1233142404493 in words is "one trillion, two hundred thirty-three billion, one hundred forty-two million, four hundred four thousand, four hundred ninety-three".