2321145377 has 6 divisors (see below), whose sum is σ = 2339016594. Its totient is φ = 2303409680.

The previous prime is 2321145331. The next prime is 2321145397. The reversal of 2321145377 is 7735411232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2090226961 + 230918416 = 45719^2 + 15196^2 .

It is not a de Polignac number, because 2321145377 - 2⁶ = 2321145313 is a prime.

It is a super-2 number, since 2×2321145377² = 10775431722336944258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321145397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50468 + ... + 84789.

It is an arithmetic number, because the mean of its divisors is an integer number (389836099).

Almost surely, 2^2321145377 is an apocalyptic number.

It is an amenable number.

2321145377 is a deficient number, since it is larger than the sum of its proper divisors (17871217).

2321145377 is an equidigital number, since it uses as much as digits as its factorization.

2321145377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135519 (or 135388 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2321145377 is about 48178.2666458643. The cubic root of 2321145377 is about 1324.0390092725.

The spelling of 2321145377 in words is "two billion, three hundred twenty-one million, one hundred forty-five thousand, three hundred seventy-seven".