899860723 has 4 divisors (see below), whose sum is σ = 900002248. Its totient is φ = 899719200.

The previous prime is 899860693. The next prime is 899860733. The reversal of 899860723 is 327068998.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 899860723 - 2²¹ = 897763571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899860733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60753 + ... + 74098.

It is an arithmetic number, because the mean of its divisors is an integer number (225000562).

Almost surely, 2^899860723 is an apocalyptic number.

899860723 is a deficient number, since it is larger than the sum of its proper divisors (141525).

899860723 is a wasteful number, since it uses less digits than its factorization.

899860723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141524.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 899860723 is about 29997.6786268538. The cubic root of 899860723 is about 965.4395781604.

The spelling of 899860723 in words is "eight hundred ninety-nine million, eight hundred sixty thousand, seven hundred twenty-three".