233013055861 has 4 divisors (see below), whose sum is σ = 233041148172. Its totient is φ = 232984963552.

The previous prime is 233013055823. The next prime is 233013055901. The reversal of 233013055861 is 168550310332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 164374295761 + 68638760100 = 405431^2 + 261990^2 .

It is a cyclic number.

It is not a de Polignac number, because 233013055861 - 2²⁹ = 232476184949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233013055861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233013085861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14033710 + ... + 14050303.

It is an arithmetic number, because the mean of its divisors is an integer number (58260287043).

Almost surely, 2^233013055861 is an apocalyptic number.

It is an amenable number.

233013055861 is a deficient number, since it is larger than the sum of its proper divisors (28092311).

233013055861 is an equidigital number, since it uses as much as digits as its factorization.

233013055861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28092310.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 233013055861 in words is "two hundred thirty-three billion, thirteen million, fifty-five thousand, eight hundred sixty-one".