1894345923 has 32 divisors (see below), whose sum is σ = 2750464000. Its totient is φ = 1155319200.

The previous prime is 1894345913. The next prime is 1894345927. The reversal of 1894345923 is 3295434981.

It is not a de Polignac number, because 1894345923 - 2⁵ = 1894345891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1894345927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1114128 + ... + 1115826.

It is an arithmetic number, because the mean of its divisors is an integer number (85952000).

Almost surely, 2^1894345923 is an apocalyptic number.

1894345923 is a deficient number, since it is larger than the sum of its proper divisors (856118077).

1894345923 is a wasteful number, since it uses less digits than its factorization.

1894345923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its digits is 933120, while the sum is 48.

The square root of 1894345923 is about 43524.0844016276. The cubic root of 1894345923 is about 1237.3325252802.

The spelling of 1894345923 in words is "one billion, eight hundred ninety-four million, three hundred forty-five thousand, nine hundred twenty-three".