43452311453 has 4 divisors (see below), whose sum is σ = 44462830368. Its totient is φ = 42441792540.

The previous prime is 43452311437. The next prime is 43452311471. The reversal of 43452311453 is 35411325434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35411325434 = 2 ⋅17705662717.

It is a cyclic number.

It is not a de Polignac number, because 43452311453 - 2⁴ = 43452311437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43452311653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505259393 + ... + 505259478.

It is an arithmetic number, because the mean of its divisors is an integer number (11115707592).

Almost surely, 2^43452311453 is an apocalyptic number.

43452311453 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

43452311453 is a deficient number, since it is larger than the sum of its proper divisors (1010518915).

43452311453 is a wasteful number, since it uses less digits than its factorization.

43452311453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010518914.

The product of its digits is 86400, while the sum is 35.

Adding to 43452311453 its reverse (35411325434), we get a palindrome (78863636887).

The spelling of 43452311453 in words is "forty-three billion, four hundred fifty-two million, three hundred eleven thousand, four hundred fifty-three".