234553851557 has 16 divisors (see below), whose sum is σ = 240036601392. Its totient is φ = 229111234560.

The previous prime is 234553851541. The next prime is 234553851599. The reversal of 234553851557 is 755158355432.

It can be written as a sum of positive squares in 8 ways, for example, as 121271794081 + 113282057476 = 348241^2 + 336574^2 .

It is a cyclic number.

It is not a de Polignac number, because 234553851557 - 2⁴ = 234553851541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234553851499 and 234553851508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234553851517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36187757 + ... + 36194237.

It is an arithmetic number, because the mean of its divisors is an integer number (15002287587).

Almost surely, 2^234553851557 is an apocalyptic number.

It is an amenable number.

234553851557 is a deficient number, since it is larger than the sum of its proper divisors (5482749835).

234553851557 is a wasteful number, since it uses less digits than its factorization.

234553851557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448.

The product of its digits is 12600000, while the sum is 53.

The spelling of 234553851557 in words is "two hundred thirty-four billion, five hundred fifty-three million, eight hundred fifty-one thousand, five hundred fifty-seven".