1140453423 has 6 divisors (see below), whose sum is σ = 1647321624. Its totient is φ = 760302276.

The previous prime is 1140453403. The next prime is 1140453437. The reversal of 1140453423 is 3243540411.

It is a happy number.

It is not a de Polignac number, because 1140453423 - 2¹⁰ = 1140452399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140453403) 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, 63358515 + ... + 63358532.

It is an arithmetic number, because the mean of its divisors is an integer number (274553604).

Almost surely, 2^1140453423 is an apocalyptic number.

1140453423 is a deficient number, since it is larger than the sum of its proper divisors (506868201).

1140453423 is a wasteful number, since it uses less digits than its factorization.

1140453423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126717053 (or 126717050 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1140453423 is about 33770.5999798641. The cubic root of 1140453423 is about 1044.7824071728.

Adding to 1140453423 its reverse (3243540411), we get a palindrome (4383993834).

The spelling of 1140453423 in words is "one billion, one hundred forty million, four hundred fifty-three thousand, four hundred twenty-three".