1081345023 has 24 divisors (see below), whose sum is σ = 1778025600. Its totient is φ = 626865360.

The previous prime is 1081345009. The next prime is 1081345033. The reversal of 1081345023 is 3205431801.

It is a happy number.

It is not a de Polignac number, because 1081345023 - 2⁸ = 1081344767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081345033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235173 + ... + 239726.

It is an arithmetic number, because the mean of its divisors is an integer number (74084400).

Almost surely, 2^1081345023 is an apocalyptic number.

1081345023 is a deficient number, since it is larger than the sum of its proper divisors (696680577).

1081345023 is a wasteful number, since it uses less digits than its factorization.

1081345023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474939 (or 474936 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1081345023 is about 32883.8109561529. The cubic root of 1081345023 is about 1026.4113092755.

Adding to 1081345023 its reverse (3205431801), we get a palindrome (4286776824).

The spelling of 1081345023 in words is "one billion, eighty-one million, three hundred forty-five thousand, twenty-three".