1153823898 has 16 divisors (see below), whose sum is σ = 2443392000. Its totient is φ = 361983936.

The previous prime is 1153823863. The next prime is 1153823917. The reversal of 1153823898 is 8983283511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655898 + ... + 5656101.

It is an arithmetic number, because the mean of its divisors is an integer number (152712000).

Almost surely, 2^1153823898 is an apocalyptic number.

1153823898 is an abundant number, since it is smaller than the sum of its proper divisors (1289568102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153823898 is a wasteful number, since it uses less digits than its factorization.

1153823898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312021.

The product of its digits is 414720, while the sum is 48.

The square root of 1153823898 is about 33967.9834255730. The cubic root of 1153823898 is about 1048.8495026588.

The spelling of 1153823898 in words is "one billion, one hundred fifty-three million, eight hundred twenty-three thousand, eight hundred ninety-eight".