1080923493 has 24 divisors (see below), whose sum is σ = 1569378720. Its totient is φ = 661452480.

The previous prime is 1080923453. The next prime is 1080923533. The reversal of 1080923493 is 3943290801.

It is an interprime number because it is at equal distance from previous prime (1080923453) and next prime (1080923533).

It is not a de Polignac number, because 1080923493 - 2¹⁸ = 1080661349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080923453) 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, 85878 + ... + 97656.

It is an arithmetic number, because the mean of its divisors is an integer number (65390780).

Almost surely, 2^1080923493 is an apocalyptic number.

1080923493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1080923493 is a deficient number, since it is larger than the sum of its proper divisors (488455227).

1080923493 is a wasteful number, since it uses less digits than its factorization.

1080923493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989 (or 11976 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1080923493 is about 32877.4009465469. The cubic root of 1080923493 is about 1026.2779200296.

The spelling of 1080923493 in words is "one billion, eighty million, nine hundred twenty-three thousand, four hundred ninety-three".