1154100423 has 8 divisors (see below), whose sum is σ = 1758629248. Its totient is φ = 659485944.

The previous prime is 1154100407. The next prime is 1154100433. The reversal of 1154100423 is 3240014511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1154100423 - 2⁴ = 1154100407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 54957163 = 1154100423 / (1 + 1 + 5 + 4 + 1 + 0 + 0 + 4 + 2 + 3).

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 1154100423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154100433) 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, 27478561 + ... + 27478602.

It is an arithmetic number, because the mean of its divisors is an integer number (219828656).

Almost surely, 2^1154100423 is an apocalyptic number.

1154100423 is a deficient number, since it is larger than the sum of its proper divisors (604528825).

1154100423 is an equidigital number, since it uses as much as digits as its factorization.

1154100423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54957173.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1154100423 is about 33972.0535587709. The cubic root of 1154100423 is about 1048.9332849247.

Adding to 1154100423 its reverse (3240014511), we get a palindrome (4394114934).

The spelling of 1154100423 in words is "one billion, one hundred fifty-four million, one hundred thousand, four hundred twenty-three".