1223301242057 has 2 divisors, whose sum is σ = 1223301242058. Its totient is φ = 1223301242056.

The previous prime is 1223301241993. The next prime is 1223301242077. The reversal of 1223301242057 is 7502421033221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1107758355001 + 115542887056 = 1052501^2 + 339916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223301242057 - 2⁶ = 1223301241993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223301242077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611650621028 + 611650621029.

It is an arithmetic number, because the mean of its divisors is an integer number (611650621029).

Almost surely, 2^{1223301242057} is an apocalyptic number.

It is an amenable number.

1223301242057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223301242057 is an equidigital number, since it uses as much as digits as its factorization.

1223301242057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 1223301242057 its reverse (7502421033221), we get a palindrome (8725722275278).

The spelling of 1223301242057 in words is "one trillion, two hundred twenty-three billion, three hundred one million, two hundred forty-two thousand, fifty-seven".