1153825023 has 24 divisors (see below), whose sum is σ = 1690791168. Its totient is φ = 699427872.

The previous prime is 1153825019. The next prime is 1153825031. The reversal of 1153825023 is 3205283511.

It is a Cunningham number, because it is equal to 33968²-1.

It is not a de Polignac number, because 1153825023 - 2² = 1153825019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153825223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16986 + ... + 50952.

It is an arithmetic number, because the mean of its divisors is an integer number (70449632).

Almost surely, 2^1153825023 is an apocalyptic number.

1153825023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1153825023 is a deficient number, since it is larger than the sum of its proper divisors (536966145).

1153825023 is a wasteful number, since it uses less digits than its factorization.

1153825023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34063 (or 34050 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1153825023 is about 33967.9999852803. Note that the first 4 decimals coincide. The cubic root of 1153825023 is about 1048.8498435413.

The spelling of 1153825023 in words is "one billion, one hundred fifty-three million, eight hundred twenty-five thousand, twenty-three".