1154954023 has 4 divisors (see below), whose sum is σ = 1155025240. Its totient is φ = 1154882808.

The previous prime is 1154953999. The next prime is 1154954027. The reversal of 1154954023 is 3204594511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1154954023 - 2⁵ = 1154953991 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 1154954023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154954027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861 + ... + 48097.

It is an arithmetic number, because the mean of its divisors is an integer number (288756310).

Almost surely, 2^1154954023 is an apocalyptic number.

1154954023 is a deficient number, since it is larger than the sum of its proper divisors (71217).

1154954023 is an equidigital number, since it uses as much as digits as its factorization.

1154954023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71216.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1154954023 is about 33984.6145042135. The cubic root of 1154954023 is about 1049.1918264922.

The spelling of 1154954023 in words is "one billion, one hundred fifty-four million, nine hundred fifty-four thousand, twenty-three".