1914311823 has 16 divisors (see below), whose sum is σ = 2619586656. Its totient is φ = 1242974720.

The previous prime is 1914311803. The next prime is 1914311831. The reversal of 1914311823 is 3281134191.

It is a cyclic number.

It is not a de Polignac number, because 1914311823 - 2¹² = 1914307727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914311803) 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, 22158 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (163724166).

Almost surely, 2^1914311823 is an apocalyptic number.

1914311823 is a deficient number, since it is larger than the sum of its proper divisors (705274833).

1914311823 is a wasteful number, since it uses less digits than its factorization.

1914311823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88074.

The product of its digits is 5184, while the sum is 33.

The square root of 1914311823 is about 43752.8493129305. The cubic root of 1914311823 is about 1241.6643932594.

The spelling of 1914311823 in words is "one billion, nine hundred fourteen million, three hundred eleven thousand, eight hundred twenty-three".