1013143023401 has 2 divisors, whose sum is σ = 1013143023402. Its totient is φ = 1013143023400.

The previous prime is 1013143023391. The next prime is 1013143023469. The reversal of 1013143023401 is 1043203413101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804546211225 + 208596812176 = 896965^2 + 456724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013143023401 - 2¹⁰ = 1013143022377 is a prime.

It is a super-2 number, since 2×1013143023401² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013143023481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506571511700 + 506571511701.

It is an arithmetic number, because the mean of its divisors is an integer number (506571511701).

Almost surely, 2^{1013143023401} is an apocalyptic number.

It is an amenable number.

1013143023401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013143023401 is an equidigital number, since it uses as much as digits as its factorization.

1013143023401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1013143023401 its reverse (1043203413101), we get a palindrome (2056346436502).

The spelling of 1013143023401 in words is "one trillion, thirteen billion, one hundred forty-three million, twenty-three thousand, four hundred one".