2001523207 has 2 divisors, whose sum is σ = 2001523208. Its totient is φ = 2001523206.

The previous prime is 2001523201. The next prime is 2001523211. The reversal of 2001523207 is 7023251002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001523207 - 2⁷ = 2001523079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001523201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000761603 + 1000761604.

It is an arithmetic number, because the mean of its divisors is an integer number (1000761604).

Almost surely, 2^2001523207 is an apocalyptic number.

2001523207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001523207 is an equidigital number, since it uses as much as digits as its factorization.

2001523207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2001523207 is about 44738.3862806874. The cubic root of 2001523207 is about 1260.2408221558.

Adding to 2001523207 its reverse (7023251002), we get a palindrome (9024774209).

The spelling of 2001523207 in words is "two billion, one million, five hundred twenty-three thousand, two hundred seven".