1204332123 has 4 divisors (see below), whose sum is σ = 1605776168. Its totient is φ = 802888080.

The previous prime is 1204332121. The next prime is 1204332133. The reversal of 1204332123 is 3212334021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1204332123 - 2¹ = 1204332121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204332123.

It is not an unprimeable number, because it can be changed into a prime (1204332121) 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, 200722018 + ... + 200722023.

It is an arithmetic number, because the mean of its divisors is an integer number (401444042).

Almost surely, 2^1204332123 is an apocalyptic number.

1204332123 is a deficient number, since it is larger than the sum of its proper divisors (401444045).

1204332123 is an equidigital number, since it uses as much as digits as its factorization.

1204332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401444044.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1204332123 is about 34703.4886286667. The cubic root of 1204332123 is about 1063.9358022185.

Adding to 1204332123 its reverse (3212334021), we get a palindrome (4416666144).

The spelling of 1204332123 in words is "one billion, two hundred four million, three hundred thirty-two thousand, one hundred twenty-three".