1144452023 has 32 divisors (see below), whose sum is σ = 1421280000. Its totient is φ = 905990400.

The previous prime is 1144452013. The next prime is 1144452031. The reversal of 1144452023 is 3202544411.

It is a cyclic number.

It is not a de Polignac number, because 1144452023 - 2²⁰ = 1143403447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144451983 and 1144452001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144452013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762728 + ... + 764226.

It is an arithmetic number, because the mean of its divisors is an integer number (44415000).

Almost surely, 2^1144452023 is an apocalyptic number.

1144452023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144452023 is a deficient number, since it is larger than the sum of its proper divisors (276827977).

1144452023 is a wasteful number, since it uses less digits than its factorization.

1144452023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1144452023 is about 33829.7505607121. The cubic root of 1144452023 is about 1046.0020372572.

Adding to 1144452023 its reverse (3202544411), we get a palindrome (4346996434).

The spelling of 1144452023 in words is "one billion, one hundred forty-four million, four hundred fifty-two thousand, twenty-three".