1145433423 has 8 divisors (see below), whose sum is σ = 1529921536. Its totient is φ = 762283800.

The previous prime is 1145433389. The next prime is 1145433431. The reversal of 1145433423 is 3243345411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145433423 - 2¹⁰ = 1145432399 is a prime.

It is a super-3 number, since 3×1145433423³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145443423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332623 + ... + 336048.

It is an arithmetic number, because the mean of its divisors is an integer number (191240192).

Almost surely, 2^1145433423 is an apocalyptic number.

1145433423 is a deficient number, since it is larger than the sum of its proper divisors (384488113).

1145433423 is an equidigital number, since it uses as much as digits as its factorization.

1145433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669245.

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

The square root of 1145433423 is about 33844.2524367137. The cubic root of 1145433423 is about 1046.3009439501.

Adding to 1145433423 its reverse (3243345411), we get a palindrome (4388778834).

The spelling of 1145433423 in words is "one billion, one hundred forty-five million, four hundred thirty-three thousand, four hundred twenty-three".