2823142421 has 8 divisors (see below), whose sum is σ = 3083055264. Its totient is φ = 2563773520.

The previous prime is 2823142397. The next prime is 2823142481. The reversal of 2823142421 is 1242413282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2823142421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823142481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125090 + ... + 145923.

It is an arithmetic number, because the mean of its divisors is an integer number (385381908).

Almost surely, 2^2823142421 is an apocalyptic number.

It is an amenable number.

2823142421 is a deficient number, since it is larger than the sum of its proper divisors (259912843).

2823142421 is a wasteful number, since it uses less digits than its factorization.

2823142421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271971.

The product of its digits is 6144, while the sum is 29.

The square root of 2823142421 is about 53133.2515568170. The cubic root of 2823142421 is about 1413.3322292857.

The spelling of 2823142421 in words is "two billion, eight hundred twenty-three million, one hundred forty-two thousand, four hundred twenty-one".