1320502623 has 32 divisors (see below), whose sum is σ = 1941096960. Its totient is φ = 791871360.

The previous prime is 1320502607. The next prime is 1320502637. The reversal of 1320502623 is 3262050231.

It is not a de Polignac number, because 1320502623 - 2⁴ = 1320502607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320502593 and 1320502602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320502723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488286 + ... + 1489172.

It is an arithmetic number, because the mean of its divisors is an integer number (60659280).

Almost surely, 2^1320502623 is an apocalyptic number.

1320502623 is a deficient number, since it is larger than the sum of its proper divisors (620594337).

1320502623 is a wasteful number, since it uses less digits than its factorization.

1320502623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1320502623 is about 36338.7207122100. The cubic root of 1320502623 is about 1097.1005246326.

Adding to 1320502623 its reverse (3262050231), we get a palindrome (4582552854).

It can be divided in two parts, 1320502 and 623, that added together give a triangular number (1321125 = T₁₆₂₅).

The spelling of 1320502623 in words is "one billion, three hundred twenty million, five hundred two thousand, six hundred twenty-three".