1233630442 has 16 divisors (see below), whose sum is σ = 2124914400. Its totient is φ = 531228240.

The previous prime is 1233630439. The next prime is 1233630473. The reversal of 1233630442 is 2440363321.

It is a self number, because there is not a number n which added to its sum of digits gives 1233630442.

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, 1475217 + ... + 1476052.

It is an arithmetic number, because the mean of its divisors is an integer number (132807150).

Almost surely, 2^1233630442 is an apocalyptic number.

1233630442 is a deficient number, since it is larger than the sum of its proper divisors (891283958).

1233630442 is a wasteful number, since it uses less digits than its factorization.

1233630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951301.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 1233630442 is about 35123.0756341184. The cubic root of 1233630442 is about 1072.4943820557.

Adding to 1233630442 its reverse (2440363321), we get a palindrome (3673993763).

It can be divided in two parts, 12336 and 30442, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 1233630442 in words is "one billion, two hundred thirty-three million, six hundred thirty thousand, four hundred forty-two".