2040148923 has 4 divisors (see below), whose sum is σ = 2720198568. Its totient is φ = 1360099280.

The previous prime is 2040148909. The next prime is 2040148933. The reversal of 2040148923 is 3298410402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040148923 - 2⁸ = 2040148667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040148933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340024818 + ... + 340024823.

It is an arithmetic number, because the mean of its divisors is an integer number (680049642).

Almost surely, 2^2040148923 is an apocalyptic number.

2040148923 is a deficient number, since it is larger than the sum of its proper divisors (680049645).

2040148923 is an equidigital number, since it uses as much as digits as its factorization.

2040148923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680049644.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2040148923 is about 45168.0077377783. The cubic root of 2040148923 is about 1268.2960020662.

The spelling of 2040148923 in words is "two billion, forty million, one hundred forty-eight thousand, nine hundred twenty-three".