2321001506146 has 4 divisors (see below), whose sum is σ = 3481502259222. Its totient is φ = 1160500753072.

The previous prime is 2321001506123. The next prime is 2321001506191. The reversal of 2321001506146 is 6416051001232.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1799190312921 + 521811193225 = 1341339^2 + 722365^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 580250376535 + ... + 580250376538.

Almost surely, 2^{2321001506146} is an apocalyptic number.

2321001506146 is a deficient number, since it is larger than the sum of its proper divisors (1160500753076).

2321001506146 is a wasteful number, since it uses less digits than its factorization.

2321001506146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160500753075.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 2321001506146 its reverse (6416051001232), we get a palindrome (8737052507378).

The spelling of 2321001506146 in words is "two trillion, three hundred twenty-one billion, one million, five hundred six thousand, one hundred forty-six".