1153045023 has 16 divisors (see below), whose sum is σ = 1700403936. Its totient is φ = 690387840.

The previous prime is 1153045007. The next prime is 1153045037. The reversal of 1153045023 is 3205403511.

It is not a de Polignac number, because 1153045023 - 2⁴ = 1153045007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153044984 and 1153045002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153045073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398088 + ... + 400973.

It is an arithmetic number, because the mean of its divisors is an integer number (106275246).

Almost surely, 2^1153045023 is an apocalyptic number.

1153045023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1153045023 is a deficient number, since it is larger than the sum of its proper divisors (547358913).

1153045023 is a wasteful number, since it uses less digits than its factorization.

1153045023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799114.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1153045023 is about 33956.5166499746. The cubic root of 1153045023 is about 1048.6134451042.

Adding to 1153045023 its reverse (3205403511), we get a palindrome (4358448534).

The spelling of 1153045023 in words is "one billion, one hundred fifty-three million, forty-five thousand, twenty-three".