1233213040 has 40 divisors (see below), whose sum is σ = 2889132048. Its totient is φ = 489515520.

The previous prime is 1233213019. The next prime is 1233213061. The reversal of 1233213040 is 403123321.

It is an interprime number because it is at equal distance from previous prime (1233213019) and next prime (1233213061).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1233212999 and 1233213017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48357 + ... + 69316.

Almost surely, 2^1233213040 is an apocalyptic number.

1233213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233213040 is an abundant number, since it is smaller than the sum of its proper divisors (1655919008).

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

1233213040 is a wasteful number, since it uses less digits than its factorization.

1233213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117817 (or 117811 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1233213040 is about 35117.1331403917. The cubic root of 1233213040 is about 1072.3734080094.

Adding to 1233213040 its reverse (403123321), we get a palindrome (1636336361).

The spelling of 1233213040 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand, forty".