1233453372 has 24 divisors (see below), whose sum is σ = 2912735616. Its totient is φ = 406197168.

The previous prime is 1233453371. The next prime is 1233453401. The reversal of 1233453372 is 2733543321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233453371) 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, 618208 + ... + 620199.

It is an arithmetic number, because the mean of its divisors is an integer number (121363984).

Almost surely, 2^1233453372 is an apocalyptic number.

1233453372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233453372 is an abundant number, since it is smaller than the sum of its proper divisors (1679282244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233453372 is a wasteful number, since it uses less digits than its factorization.

1233453372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238497 (or 1238495 counting only the distinct ones).

The product of its digits is 45360, while the sum is 33.

The square root of 1233453372 is about 35120.5548361640. The cubic root of 1233453372 is about 1072.4430658591.

Adding to 1233453372 its reverse (2733543321), we get a palindrome (3966996693).

The spelling of 1233453372 in words is "one billion, two hundred thirty-three million, four hundred fifty-three thousand, three hundred seventy-two".