1047144923 has 16 divisors (see below), whose sum is σ = 1160342496. Its totient is φ = 937002240.

The previous prime is 1047144887. The next prime is 1047144947. The reversal of 1047144923 is 3294417401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1047144923 - 2⁶ = 1047144859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047144983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523361 + ... + 525357.

It is an arithmetic number, because the mean of its divisors is an integer number (72521406).

Almost surely, 2^1047144923 is an apocalyptic number.

1047144923 is a deficient number, since it is larger than the sum of its proper divisors (113197573).

1047144923 is a wasteful number, since it uses less digits than its factorization.

1047144923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1047144923 is about 32359.6187091257. The cubic root of 1047144923 is about 1015.4742856916.

The spelling of 1047144923 in words is "one billion, forty-seven million, one hundred forty-four thousand, nine hundred twenty-three".