2623623131 has 4 divisors (see below), whose sum is σ = 2625656664. Its totient is φ = 2621589600.

The previous prime is 2623623109. The next prime is 2623623157. The reversal of 2623623131 is 1313263262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313263262 = 2 ⋅656631631.

It is a cyclic number.

It is not a de Polignac number, because 2623623131 - 2²² = 2619428827 is a prime.

It is a super-2 number, since 2×2623623131² = 13766796667036486322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2623623094 and 2623623103.

It is not an unprimeable number, because it can be changed into a prime (2623623181) 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, 1014830 + ... + 1017411.

It is an arithmetic number, because the mean of its divisors is an integer number (656414166).

Almost surely, 2^2623623131 is an apocalyptic number.

2623623131 is a deficient number, since it is larger than the sum of its proper divisors (2033533).

2623623131 is a wasteful number, since it uses less digits than its factorization.

2623623131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033532.

The product of its digits is 7776, while the sum is 29.

The square root of 2623623131 is about 51221.3152017790. The cubic root of 2623623131 is about 1379.2208601570.

Adding to 2623623131 its reverse (1313263262), we get a palindrome (3936886393).

The spelling of 2623623131 in words is "two billion, six hundred twenty-three million, six hundred twenty-three thousand, one hundred thirty-one".