1057349205923 has 2 divisors, whose sum is σ = 1057349205924. Its totient is φ = 1057349205922.

The previous prime is 1057349205821. The next prime is 1057349205929. The reversal of 1057349205923 is 3295029437501.

It is a strong prime.

It is an emirp because it is prime and its reverse (3295029437501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057349205923 - 2¹² = 1057349201827 is a prime.

It is a super-2 number, since 2×1057349205923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057349205929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528674602961 + 528674602962.

It is an arithmetic number, because the mean of its divisors is an integer number (528674602962).

Almost surely, 2^{1057349205923} is an apocalyptic number.

1057349205923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057349205923 is an equidigital number, since it uses as much as digits as its factorization.

1057349205923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 1057349205923 in words is "one trillion, fifty-seven billion, three hundred forty-nine million, two hundred five thousand, nine hundred twenty-three".