2148923 has 8 divisors (see below), whose sum is σ = 2522592. Its totient is φ = 1791936.

The previous prime is 2148907. The next prime is 2148947. The reversal of 2148923 is 3298412.

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

It is a cyclic number.

It is not a de Polignac number, because 2148923 - 2⁴ = 2148907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148983) 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, 3890 + ... + 4407.

It is an arithmetic number, because the mean of its divisors is an integer number (315324).

2^2148923 is an apocalyptic number.

2148923 is a deficient number, since it is larger than the sum of its proper divisors (373669).

2148923 is an equidigital number, since it uses as much as digits as its factorization.

2148923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341.

The product of its digits is 3456, while the sum is 29.

The square root of 2148923 is about 1465.9205299060. The cubic root of 2148923 is about 129.0447333993.

It can be divided in two parts, 21489 and 23, that added together give a palindrome (21512).

The spelling of 2148923 in words is "two million, one hundred forty-eight thousand, nine hundred twenty-three".