12623421316 has 27 divisors (see below), whose sum is σ = 24286584567. Its totient is φ = 5736795240.

The previous prime is 12623421271. The next prime is 12623421329. The reversal of 12623421316 is 61312432621.

The square root of 12623421316 is 112354.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2469235 + ... + 2474341.

Almost surely, 2^12623421316 is an apocalyptic number.

12623421316 is the 112354-th square number.

It is an amenable number.

12623421316 is a deficient number, since it is larger than the sum of its proper divisors (11663163251).

12623421316 is an frugal number, since it uses more digits than its factorization.

12623421316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240 (or 5120 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

Adding to 12623421316 its reverse (61312432621), we get a palindrome (73935853937).

The spelling of 12623421316 in words is "twelve billion, six hundred twenty-three million, four hundred twenty-one thousand, three hundred sixteen".