2251364665323 has 32 divisors (see below), whose sum is σ = 3068233883136. Its totient is φ = 1467886387968.

The previous prime is 2251364665321. The next prime is 2251364665393. The reversal of 2251364665323 is 3235664631522.

It is not a de Polignac number, because 2251364665323 - 2¹ = 2251364665321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251364665321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331420815 + ... + 331427607.

It is an arithmetic number, because the mean of its divisors is an integer number (95882308848).

Almost surely, 2^{2251364665323} is an apocalyptic number.

2251364665323 is a deficient number, since it is larger than the sum of its proper divisors (816869217813).

2251364665323 is a wasteful number, since it uses less digits than its factorization.

2251364665323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203.

The product of its digits is 4665600, while the sum is 48.

The spelling of 2251364665323 in words is "two trillion, two hundred fifty-one billion, three hundred sixty-four million, six hundred sixty-five thousand, three hundred twenty-three".