1234342133451 has 24 divisors (see below), whose sum is σ = 2113112461824. Its totient is φ = 705338361000.

The previous prime is 1234342133383. The next prime is 1234342133461. The reversal of 1234342133451 is 1543312434321.

1234342133451 is a `hidden beast` number, since 1 + 2 + 3 + 434 + 213 + 3 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 1234342133451 - 2¹³ = 1234342125259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234342133461) 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, 362826675 + ... + 362830076.

It is an arithmetic number, because the mean of its divisors is an integer number (88046352576).

Almost surely, 2^{1234342133451} is an apocalyptic number.

1234342133451 is a deficient number, since it is larger than the sum of its proper divisors (878770328373).

1234342133451 is an frugal number, since it uses more digits than its factorization.

1234342133451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725656773 (or 725656761 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 1234342133451 its reverse (1543312434321), we get a palindrome (2777654567772).

The spelling of 1234342133451 in words is "one trillion, two hundred thirty-four billion, three hundred forty-two million, one hundred thirty-three thousand, four hundred fifty-one".