1223877646 has 8 divisors (see below), whose sum is σ = 1836048024. Its totient is φ = 611861640.

The previous prime is 1223877637. The next prime is 1223877671. The reversal of 1223877646 is 6467783221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1223877596 and 1223877605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16165 + ... + 52048.

It is an arithmetic number, because the mean of its divisors is an integer number (229506003).

Almost surely, 2^1223877646 is an apocalyptic number.

1223877646 is a deficient number, since it is larger than the sum of its proper divisors (612170378).

1223877646 is an equidigital number, since it uses as much as digits as its factorization.

1223877646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77186.

The product of its digits is 677376, while the sum is 46.

The square root of 1223877646 is about 34983.9626972131. The cubic root of 1223877646 is about 1069.6606039189.

The spelling of 1223877646 in words is "one billion, two hundred twenty-three million, eight hundred seventy-seven thousand, six hundred forty-six".