1233401004 has 72 divisors (see below), whose sum is σ = 3405052560. Its totient is φ = 373334400.

The previous prime is 1233401003. The next prime is 1233401023. The reversal of 1233401004 is 4001043321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1233401003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688542 + ... + 690330.

Almost surely, 2^1233401004 is an apocalyptic number.

It is an amenable number.

1233401004 is an abundant number, since it is smaller than the sum of its proper divisors (2171651556).

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

1233401004 is a wasteful number, since it uses less digits than its factorization.

1233401004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1233401004 is about 35119.8092819423. The cubic root of 1233401004 is about 1072.4278882840.

Adding to 1233401004 its reverse (4001043321), we get a palindrome (5234444325).

The spelling of 1233401004 in words is "one billion, two hundred thirty-three million, four hundred one thousand, four".