2312421 has 8 divisors (see below), whose sum is σ = 3125760. Its totient is φ = 1520352.

The previous prime is 2312419. The next prime is 2312477. The reversal of 2312421 is 1242132.

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

It is not a de Polignac number, because 2312421 - 2¹ = 2312419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2312421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312021) 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, 5061 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (390720).

2^2312421 is an apocalyptic number.

It is an amenable number.

2312421 is a deficient number, since it is larger than the sum of its proper divisors (813339).

2312421 is a wasteful number, since it uses less digits than its factorization.

2312421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635.

The product of its digits is 96, while the sum is 15.

The square root of 2312421 is about 1520.6646573127. The cubic root of 2312421 is about 132.2378059399.

Subtracting from 2312421 its product of digits (96), we obtain a triangular number (2312325 = T₂₁₅₀).

Adding to 2312421 its reverse (1242132), we get a palindrome (3554553).

The spelling of 2312421 in words is "two million, three hundred twelve thousand, four hundred twenty-one".