2391423 has 8 divisors (see below), whose sum is σ = 3198000. Its totient is φ = 1589568.

The previous prime is 2391401. The next prime is 2391437. The reversal of 2391423 is 3241932.

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

It is not a de Polignac number, because 2391423 - 2⁸ = 2391167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2391393 and 2391402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391023) 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, 253 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (399750).

2^2391423 is an apocalyptic number.

2391423 is a deficient number, since it is larger than the sum of its proper divisors (806577).

2391423 is a wasteful number, since it uses less digits than its factorization.

2391423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its digits is 1296, while the sum is 24.

The square root of 2391423 is about 1546.4226459801. The cubic root of 2391423 is about 133.7269072426.

The spelling of 2391423 in words is "two million, three hundred ninety-one thousand, four hundred twenty-three".