2320842011761 has 27 divisors (see below), whose sum is σ = 2923577971713. Its totient is φ = 1836160915680.

The previous prime is 2320842011731. The next prime is 2320842011791. The reversal of 2320842011761 is 1671102480232.

The square root of 2320842011761 is 1523431.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2320842011731) and next prime (2320842011791).

It can be written as a sum of positive squares in 4 ways, for example, as 131199706225 + 2189642305536 = 362215^2 + 1479744^2 .

It is not a de Polignac number, because 2320842011761 - 2⁹ = 2320842011249 is a prime.

It is a super-2 number, since 2×2320842011761² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2320842011761.

It is not an unprimeable number, because it can be changed into a prime (2320842011701) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 138623851 + ... + 138640591.

It is an arithmetic number, because the mean of its divisors is an integer number (108280665619).

Almost surely, 2^{2320842011761} is an apocalyptic number.

2320842011761 is the 1523431-st square number.

2320842011761 is the 761716-th centered octagonal number.

It is an amenable number.

2320842011761 is a deficient number, since it is larger than the sum of its proper divisors (602735959952).

2320842011761 is an frugal number, since it uses more digits than its factorization.

2320842011761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522 (or 16761 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 2320842011761 its reverse (1671102480232), we get a palindrome (3991944491993).

The spelling of 2320842011761 in words is "two trillion, three hundred twenty billion, eight hundred forty-two million, eleven thousand, seven hundred sixty-one".