1223296451 has 12 divisors (see below), whose sum is σ = 1326499776. Its totient is φ = 1121446800.

The previous prime is 1223296447. The next prime is 1223296457. The reversal of 1223296451 is 1546923221.

It is not a de Polignac number, because 1223296451 - 2² = 1223296447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223296457) 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 in 11 ways as a sum of consecutive naturals, for example, 294350 + ... + 298476.

It is an arithmetic number, because the mean of its divisors is an integer number (110541648).

Almost surely, 2^1223296451 is an apocalyptic number.

1223296451 is a deficient number, since it is larger than the sum of its proper divisors (103203325).

1223296451 is an equidigital number, since it uses as much as digits as its factorization.

1223296451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4291 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1223296451 is about 34975.6551189538. The cubic root of 1223296451 is about 1069.4912569718.

The spelling of 1223296451 in words is "one billion, two hundred twenty-three million, two hundred ninety-six thousand, four hundred fifty-one".