401234543453 has 2 divisors, whose sum is σ = 401234543454. Its totient is φ = 401234543452.

The previous prime is 401234543407. The next prime is 401234543483. The reversal of 401234543453 is 354345432104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389621894809 + 11612648644 = 624197^2 + 107762^2 .

It is a cyclic number.

It is not a de Polignac number, because 401234543453 - 2⁶ = 401234543389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401234543483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200617271726 + 200617271727.

It is an arithmetic number, because the mean of its divisors is an integer number (200617271727).

Almost surely, 2^401234543453 is an apocalyptic number.

It is an amenable number.

401234543453 is a deficient number, since it is larger than the sum of its proper divisors (1).

401234543453 is an equidigital number, since it uses as much as digits as its factorization.

401234543453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 401234543453 its reverse (354345432104), we get a palindrome (755579975557).

The spelling of 401234543453 in words is "four hundred one billion, two hundred thirty-four million, five hundred forty-three thousand, four hundred fifty-three".