1154054623 has 8 divisors (see below), whose sum is σ = 1256684400. Its totient is φ = 1055613888.

The previous prime is 1154054611. The next prime is 1154054641. The reversal of 1154054623 is 3264504511.

It is a happy number.

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-1154054623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154054653) 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, 1046686 + ... + 1047787.

It is an arithmetic number, because the mean of its divisors is an integer number (157085550).

Almost surely, 2^1154054623 is an apocalyptic number.

1154054623 is a deficient number, since it is larger than the sum of its proper divisors (102629777).

1154054623 is a wasteful number, since it uses less digits than its factorization.

1154054623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094521.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1154054623 is about 33971.3794686056. The cubic root of 1154054623 is about 1048.9194092460.

The spelling of 1154054623 in words is "one billion, one hundred fifty-four million, fifty-four thousand, six hundred twenty-three".