1099541923 has 8 divisors (see below), whose sum is σ = 1123430400. Its totient is φ = 1075674120.

The previous prime is 1099541917. The next prime is 1099541939. The reversal of 1099541923 is 3291459901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1099541923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099541923.

It is not an unprimeable number, because it can be changed into a prime (1099541903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155928 + ... + 162826.

It is an arithmetic number, because the mean of its divisors is an integer number (140428800).

Almost surely, 2^1099541923 is an apocalyptic number.

1099541923 is a deficient number, since it is larger than the sum of its proper divisors (23888477).

1099541923 is an equidigital number, since it uses as much as digits as its factorization.

1099541923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 1099541923 is about 33159.3414138460. The cubic root of 1099541923 is about 1032.1368035071.

The spelling of 1099541923 in words is "one billion, ninety-nine million, five hundred forty-one thousand, nine hundred twenty-three".