1081006923 has 16 divisors (see below), whose sum is σ = 1506309120. Its totient is φ = 688283904.

The previous prime is 1081006867. The next prime is 1081006933. The reversal of 1081006923 is 3296001801.

1081006923 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1081006923 - 2¹⁴ = 1080990539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1081006933) 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, 34798 + ... + 58076.

It is an arithmetic number, because the mean of its divisors is an integer number (94144320).

Almost surely, 2^1081006923 is an apocalyptic number.

1081006923 is a deficient number, since it is larger than the sum of its proper divisors (425302197).

1081006923 is a wasteful number, since it uses less digits than its factorization.

1081006923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1081006923 is about 32878.6697267392. The cubic root of 1081006923 is about 1026.3043234290.

The spelling of 1081006923 in words is "one billion, eighty-one million, six thousand, nine hundred twenty-three".