1023154213057 has 2 divisors, whose sum is σ = 1023154213058. Its totient is φ = 1023154213056.

The previous prime is 1023154213021. The next prime is 1023154213111. The reversal of 1023154213057 is 7503124513201.

1023154213057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837241470081 + 185912742976 = 915009^2 + 431176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023154213057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023154219057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511577106528 + 511577106529.

It is an arithmetic number, because the mean of its divisors is an integer number (511577106529).

Almost surely, 2^{1023154213057} is an apocalyptic number.

It is an amenable number.

1023154213057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023154213057 is an equidigital number, since it uses as much as digits as its factorization.

1023154213057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 1023154213057 its reverse (7503124513201), we get a palindrome (8526278726258).

The spelling of 1023154213057 in words is "one trillion, twenty-three billion, one hundred fifty-four million, two hundred thirteen thousand, fifty-seven".