1145023423 has 8 divisors (see below), whose sum is σ = 1245145392. Its totient is φ = 1048542336.

The previous prime is 1145023403. The next prime is 1145023433. The reversal of 1145023423 is 3243205411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145023423 - 2⁹ = 1145022911 is a prime.

It is a super-2 number, since 2×1145023423² = 2622157278437273858, which contains 22 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 (1145023403) 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, 909565 + ... + 910822.

It is an arithmetic number, because the mean of its divisors is an integer number (155643174).

Almost surely, 2^1145023423 is an apocalyptic number.

1145023423 is a deficient number, since it is larger than the sum of its proper divisors (100121969).

1145023423 is a wasteful number, since it uses less digits than its factorization.

1145023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820441.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1145023423 is about 33838.1947361262. The cubic root of 1145023423 is about 1046.1760903146.

Adding to 1145023423 its reverse (3243205411), we get a palindrome (4388228834).

The spelling of 1145023423 in words is "one billion, one hundred forty-five million, twenty-three thousand, four hundred twenty-three".