2001523204 has 24 divisors (see below), whose sum is σ = 3670954560. Its totient is φ = 953060064.

The previous prime is 2001523201. The next prime is 2001523207. The reversal of 2001523204 is 4023251002.

It is an interprime number because it is at equal distance from previous prime (2001523201) and next prime (2001523207).

It is not an unprimeable number, because it can be changed into a prime (2001523201) 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, 26434 + ... + 68569.

It is an arithmetic number, because the mean of its divisors is an integer number (152956440).

Almost surely, 2^2001523204 is an apocalyptic number.

It is an amenable number.

2001523204 is a deficient number, since it is larger than the sum of its proper divisors (1669431356).

2001523204 is a wasteful number, since it uses less digits than its factorization.

2001523204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95259 (or 95257 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2001523204 is about 44738.3862471592. The cubic root of 2001523204 is about 1260.2408215262.

Adding to 2001523204 its reverse (4023251002), we get a palindrome (6024774206).

The spelling of 2001523204 in words is "two billion, one million, five hundred twenty-three thousand, two hundred four".