1144354023 has 12 divisors (see below), whose sum is σ = 1655868240. Its totient is φ = 761558496.

The previous prime is 1144353967. The next prime is 1144354033. The reversal of 1144354023 is 3204534411.

It is a happy number.

1144354023 is a `hidden beast` number, since 114 + 4 + 3 + 540 + 2 + 3 = 666.

It is not a de Polignac number, because 1144354023 - 2¹³ = 1144345831 is a prime.

It is a super-2 number, since 2×1144354023² = 2619092259912569058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144354033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106611 + ... + 116852.

It is an arithmetic number, because the mean of its divisors is an integer number (137989020).

Almost surely, 2^1144354023 is an apocalyptic number.

1144354023 is a deficient number, since it is larger than the sum of its proper divisors (511514217).

1144354023 is a wasteful number, since it uses less digits than its factorization.

1144354023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224038 (or 224035 counting only the distinct ones).

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

The square root of 1144354023 is about 33828.3021004602. The cubic root of 1144354023 is about 1045.9721798454.

Adding to 1144354023 its reverse (3204534411), we get a palindrome (4348888434).

The spelling of 1144354023 in words is "one billion, one hundred forty-four million, three hundred fifty-four thousand, twenty-three".