2612180023 has 4 divisors (see below), whose sum is σ = 2612519440. Its totient is φ = 2611840608.

The previous prime is 2612179967. The next prime is 2612180029. The reversal of 2612180023 is 3200812162.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2612180023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2612180023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612180029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157890 + ... + 173647.

It is an arithmetic number, because the mean of its divisors is an integer number (653129860).

Almost surely, 2^2612180023 is an apocalyptic number.

2612180023 is a deficient number, since it is larger than the sum of its proper divisors (339417).

2612180023 is an equidigital number, since it uses as much as digits as its factorization.

2612180023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339416.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2612180023 is about 51109.4905374726. The cubic root of 2612180023 is about 1377.2127497674.

Adding to 2612180023 its reverse (3200812162), we get a palindrome (5812992185).

The spelling of 2612180023 in words is "two billion, six hundred twelve million, one hundred eighty thousand, twenty-three".