1204633623 has 4 divisors (see below), whose sum is σ = 1606178168. Its totient is φ = 803089080.

The previous prime is 1204633613. The next prime is 1204633627. The reversal of 1204633623 is 3263364021.

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

It is not a de Polignac number, because 1204633623 - 2⁴ = 1204633607 is a prime.

It is a super-2 number, since 2×1204633623² = 2902284331324212258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204633627) 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, 200772268 + ... + 200772273.

It is an arithmetic number, because the mean of its divisors is an integer number (401544542).

Almost surely, 2^1204633623 is an apocalyptic number.

1204633623 is a deficient number, since it is larger than the sum of its proper divisors (401544545).

1204633623 is an equidigital number, since it uses as much as digits as its factorization.

1204633623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401544544.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 1204633623 is about 34707.8323005053. The cubic root of 1204633623 is about 1064.0245789143.

Adding to 1204633623 its reverse (3263364021), we get a palindrome (4467997644).

The spelling of 1204633623 in words is "one billion, two hundred four million, six hundred thirty-three thousand, six hundred twenty-three".