1233520034 has 16 divisors (see below), whose sum is σ = 1962770616. Its totient is φ = 579398400.

The previous prime is 1233520027. The next prime is 1233520037. The reversal of 1233520034 is 4300253321.

It can be written as a sum of positive squares in 4 ways, for example, as 1062564409 + 170955625 = 32597^2 + 13075^2 .

It is a super-2 number, since 2×1233520034² = 3043143348558722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233519991 and 1233520009.

It is not an unprimeable number, because it can be changed into a prime (1233520037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15137 + ... + 51924.

Almost surely, 2^1233520034 is an apocalyptic number.

1233520034 is a deficient number, since it is larger than the sum of its proper divisors (729250582).

1233520034 is a wasteful number, since it uses less digits than its factorization.

1233520034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67621.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1233520034 is about 35121.5038687127. The cubic root of 1233520034 is about 1072.4623855765.

Adding to 1233520034 its reverse (4300253321), we get a palindrome (5533773355).

The spelling of 1233520034 in words is "one billion, two hundred thirty-three million, five hundred twenty thousand, thirty-four".