20231400380453 has 2 divisors, whose sum is σ = 20231400380454. Its totient is φ = 20231400380452.

The previous prime is 20231400380419. The next prime is 20231400380473. The reversal of 20231400380453 is 35408300413202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14849292696484 + 5382107683969 = 3853478^2 + 2319937^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231400380453 - 2³⁴ = 20214220511269 is a prime.

It is a super-2 number, since 2×20231400380453² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20231400380473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115700190226 + 10115700190227.

It is an arithmetic number, because the mean of its divisors is an integer number (10115700190227).

Almost surely, 2^{20231400380453} is an apocalyptic number.

It is an amenable number.

20231400380453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20231400380453 is an equidigital number, since it uses as much as digits as its factorization.

20231400380453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 20231400380453 its reverse (35408300413202), we get a palindrome (55639700793655).

The spelling of 20231400380453 in words is "twenty trillion, two hundred thirty-one billion, four hundred million, three hundred eighty thousand, four hundred fifty-three".