1233420144 has 40 divisors (see below), whose sum is σ = 3476003712. Its totient is φ = 373763520.

The previous prime is 1233420101. The next prime is 1233420161. The reversal of 1233420144 is 4410243321.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1167484 + ... + 1168539.

Almost surely, 2^1233420144 is an apocalyptic number.

It is an amenable number.

1233420144 is an abundant number, since it is smaller than the sum of its proper divisors (2242583568).

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

1233420144 is a wasteful number, since it uses less digits than its factorization.

1233420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336045 (or 2336039 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1233420144 is about 35120.0817766702. The cubic root of 1233420144 is about 1072.4334355915.

Adding to 1233420144 its reverse (4410243321), we get a palindrome (5643663465).

The spelling of 1233420144 in words is "one billion, two hundred thirty-three million, four hundred twenty thousand, one hundred forty-four".