1023364002181 has 2 divisors, whose sum is σ = 1023364002182. Its totient is φ = 1023364002180.

The previous prime is 1023364002119. The next prime is 1023364002197. The reversal of 1023364002181 is 1812004633201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702403229025 + 320960773156 = 838095^2 + 566534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023364002181 - 2³⁵ = 989004263813 is a prime.

It is a super-2 number, since 2×1023364002181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023364002481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511682001090 + 511682001091.

It is an arithmetic number, because the mean of its divisors is an integer number (511682001091).

Almost surely, 2^{1023364002181} is an apocalyptic number.

It is an amenable number.

1023364002181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023364002181 is an equidigital number, since it uses as much as digits as its factorization.

1023364002181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 1023364002181 its reverse (1812004633201), we get a palindrome (2835368635382).

The spelling of 1023364002181 in words is "one trillion, twenty-three billion, three hundred sixty-four million, two thousand, one hundred eighty-one".