203412462453 has 6 divisors (see below), whose sum is σ = 293818001334. Its totient is φ = 135608308296.

The previous prime is 203412462443. The next prime is 203412462479. The reversal of 203412462453 is 354264214302.

203412462453 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 1 + 24 + 624 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 144587781009 + 58824681444 = 380247^2 + 242538^2 .

It is not a de Polignac number, because 203412462453 - 2¹⁶ = 203412396917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203412462413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11300692350 + ... + 11300692367.

It is an arithmetic number, because the mean of its divisors is an integer number (48969666889).

Almost surely, 2^203412462453 is an apocalyptic number.

It is an amenable number.

203412462453 is a deficient number, since it is larger than the sum of its proper divisors (90405538881).

203412462453 is a wasteful number, since it uses less digits than its factorization.

203412462453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22601384723 (or 22601384720 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 203412462453 its reverse (354264214302), we get a palindrome (557676676755).

The spelling of 203412462453 in words is "two hundred three billion, four hundred twelve million, four hundred sixty-two thousand, four hundred fifty-three".