1233005045 has 16 divisors (see below), whose sum is σ = 1549981440. Its totient is φ = 939823104.

The previous prime is 1233005041. The next prime is 1233005047. The reversal of 1233005045 is 5405003321.

It is a cyclic number.

It is not a de Polignac number, because 1233005045 - 2² = 1233005041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1233005045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233005041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8696 + ... + 50414.

It is an arithmetic number, because the mean of its divisors is an integer number (96873840).

Almost surely, 2^1233005045 is an apocalyptic number.

It is an amenable number.

1233005045 is a deficient number, since it is larger than the sum of its proper divisors (316976395).

1233005045 is a wasteful number, since it uses less digits than its factorization.

1233005045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1233005045 is about 35114.1715693251. The cubic root of 1233005045 is about 1072.3131154131.

Adding to 1233005045 its reverse (5405003321), we get a palindrome (6638008366).

The spelling of 1233005045 in words is "one billion, two hundred thirty-three million, five thousand, forty-five".