1023233554081 has 2 divisors, whose sum is σ = 1023233554082. Its totient is φ = 1023233554080.

The previous prime is 1023233553959. The next prime is 1023233554097. The reversal of 1023233554081 is 1804553323201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860146808481 + 163086745600 = 927441^2 + 403840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023233554081 - 2⁹ = 1023233553569 is a prime.

It is a super-2 number, since 2×1023233554081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023233554081.

It is not a weakly prime, because it can be changed into another prime (1023233554781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511616777040 + 511616777041.

It is an arithmetic number, because the mean of its divisors is an integer number (511616777041).

Almost surely, 2^{1023233554081} is an apocalyptic number.

It is an amenable number.

1023233554081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023233554081 is an equidigital number, since it uses as much as digits as its factorization.

1023233554081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1023233554081 its reverse (1804553323201), we get a palindrome (2827786877282).

The spelling of 1023233554081 in words is "one trillion, twenty-three billion, two hundred thirty-three million, five hundred fifty-four thousand, eighty-one".