234412021345154 has 4 divisors (see below), whose sum is σ = 351618032017734. Its totient is φ = 117206010672576.

The previous prime is 234412021345147. The next prime is 234412021345181. The reversal of 234412021345154 is 451543120214432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135034509589225 + 99377511755929 = 11620435^2 + 9968827^2 .

It is a super-2 number, since 2×234412021345154² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58603005336287 + ... + 58603005336290.

Almost surely, 2^{234412021345154} is an apocalyptic number.

234412021345154 is a deficient number, since it is larger than the sum of its proper divisors (117206010672580).

234412021345154 is a wasteful number, since it uses less digits than its factorization.

234412021345154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117206010672579.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 234412021345154 its reverse (451543120214432), we get a palindrome (685955141559586).

The spelling of 234412021345154 in words is "two hundred thirty-four trillion, four hundred twelve billion, twenty-one million, three hundred forty-five thousand, one hundred fifty-four".