2520161223 has 8 divisors (see below), whose sum is σ = 3417168000. Its totient is φ = 1651630968.

The previous prime is 2520161179. The next prime is 2520161239. The reversal of 2520161223 is 3221610252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520161223 - 2⁸ = 2520160967 is a prime.

It is a super-3 number, since 3×2520161223³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520161193 and 2520161202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520161123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7118923 + ... + 7119276.

It is an arithmetic number, because the mean of its divisors is an integer number (427146000).

Almost surely, 2^2520161223 is an apocalyptic number.

2520161223 is a deficient number, since it is larger than the sum of its proper divisors (897006777).

2520161223 is a wasteful number, since it uses less digits than its factorization.

2520161223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14238261.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2520161223 is about 50201.2073858787. The cubic root of 2520161223 is about 1360.8474431047.

Adding to 2520161223 its reverse (3221610252), we get a palindrome (5741771475).

The spelling of 2520161223 in words is "two billion, five hundred twenty million, one hundred sixty-one thousand, two hundred twenty-three".