1154950923 has 18 divisors (see below), whose sum is σ = 1791991764. Its totient is φ = 659736504.

The previous prime is 1154950921. The next prime is 1154950933. The reversal of 1154950923 is 3290594511.

It is not a de Polignac number, because 1154950923 - 2¹ = 1154950921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154950921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 410640 + ... + 413442.

It is an arithmetic number, because the mean of its divisors is an integer number (99555098).

Almost surely, 2^1154950923 is an apocalyptic number.

1154950923 is a deficient number, since it is larger than the sum of its proper divisors (637040841).

1154950923 is an frugal number, since it uses more digits than its factorization.

1154950923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1154950923 is about 33984.5688953089. The cubic root of 1154950923 is about 1049.1908877831.

The spelling of 1154950923 in words is "one billion, one hundred fifty-four million, nine hundred fifty thousand, nine hundred twenty-three".