2620523623 has 2 divisors, whose sum is σ = 2620523624. Its totient is φ = 2620523622.

The previous prime is 2620523513. The next prime is 2620523657. The reversal of 2620523623 is 3263250262.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620523623 is a prime.

It is a super-2 number, since 2×2620523623² = 13734288117402092258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620523693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310261811 + 1310261812.

It is an arithmetic number, because the mean of its divisors is an integer number (1310261812).

Almost surely, 2^2620523623 is an apocalyptic number.

2620523623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620523623 is an equidigital number, since it uses as much as digits as its factorization.

2620523623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2620523623 is about 51191.0502236475. The cubic root of 2620523623 is about 1378.6775160335.

Adding to 2620523623 its reverse (3263250262), we get a palindrome (5883773885).

The spelling of 2620523623 in words is "two billion, six hundred twenty million, five hundred twenty-three thousand, six hundred twenty-three".