2011423004 has 6 divisors (see below), whose sum is σ = 3519990264. Its totient is φ = 1005711500.

The previous prime is 2011422989. The next prime is 2011423019. The reversal of 2011423004 is 4003241102.

It is an interprime number because it is at equal distance from previous prime (2011422989) and next prime (2011423019).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251427872 + ... + 251427879.

It is an arithmetic number, because the mean of its divisors is an integer number (586665044).

Almost surely, 2^2011423004 is an apocalyptic number.

It is an amenable number.

2011423004 is a deficient number, since it is larger than the sum of its proper divisors (1508567260).

2011423004 is a wasteful number, since it uses less digits than its factorization.

2011423004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502855755 (or 502855753 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2011423004 is about 44848.8907778108. The cubic root of 2011423004 is about 1262.3151781728.

Adding to 2011423004 its reverse (4003241102), we get a palindrome (6014664106).

The spelling of 2011423004 in words is "two billion, eleven million, four hundred twenty-three thousand, four".