1223674147 has 4 divisors (see below), whose sum is σ = 1227141000. Its totient is φ = 1220207296.

The previous prime is 1223674141. The next prime is 1223674163. The reversal of 1223674147 is 7414763221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7414763221 = 1663 ⋅4458667.

It is a cyclic number.

It is not a de Polignac number, because 1223674147 - 2⁷ = 1223674019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223674141) 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, 1732897 + ... + 1733602.

It is an arithmetic number, because the mean of its divisors is an integer number (306785250).

Almost surely, 2^1223674147 is an apocalyptic number.

1223674147 is a deficient number, since it is larger than the sum of its proper divisors (3466853).

1223674147 is an equidigital number, since it uses as much as digits as its factorization.

1223674147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466852.

The product of its digits is 56448, while the sum is 37.

The square root of 1223674147 is about 34981.0541150492. The cubic root of 1223674147 is about 1069.6013150595.

The spelling of 1223674147 in words is "one billion, two hundred twenty-three million, six hundred seventy-four thousand, one hundred forty-seven".