2801423 has 6 divisors (see below), whose sum is σ = 2931624. Its totient is φ = 2671944.

The previous prime is 2801401. The next prime is 2801431. The reversal of 2801423 is 3241082.

It is a de Polignac number, because none of the positive numbers 2^k-2801423 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 2801395 and 2801404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7853 + ... + 8201.

It is an arithmetic number, because the mean of its divisors is an integer number (488604).

2^2801423 is an apocalyptic number.

2801423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2801423 is a deficient number, since it is larger than the sum of its proper divisors (130201).

2801423 is an frugal number, since it uses more digits than its factorization.

2801423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2801423 is about 1673.7452016361. The cubic root of 2801423 is about 140.9698475169.

The spelling of 2801423 in words is "two million, eight hundred one thousand, four hundred twenty-three".