1234431453 has 16 divisors (see below), whose sum is σ = 1709429760. Its totient is φ = 791787696.

The previous prime is 1234431449. The next prime is 1234431503. The reversal of 1234431453 is 3541344321.

It is not a de Polignac number, because 1234431453 - 2² = 1234431449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1234431453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234431553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65875 + ... + 82512.

It is an arithmetic number, because the mean of its divisors is an integer number (106839360).

Almost surely, 2^1234431453 is an apocalyptic number.

It is an amenable number.

1234431453 is a deficient number, since it is larger than the sum of its proper divisors (474998307).

1234431453 is a wasteful number, since it uses less digits than its factorization.

1234431453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148496.

The product of its digits is 17280, while the sum is 30.

The square root of 1234431453 is about 35134.4767002442. The cubic root of 1234431453 is about 1072.7264596424.

Adding to 1234431453 its reverse (3541344321), we get a palindrome (4775775774).

The spelling of 1234431453 in words is "one billion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred fifty-three".