230621122045 has 4 divisors (see below), whose sum is σ = 276745346460. Its totient is φ = 184496897632.

The previous prime is 230621122021. The next prime is 230621122073. The reversal of 230621122045 is 540221126032.

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 172847231001 + 57773891044 = 415749^2 + 240362^2 .

It is a cyclic number.

It is not a de Polignac number, because 230621122045 - 2⁵ = 230621122013 is a prime.

It is a super-2 number, since 2×230621122045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23062112200 + ... + 23062112209.

It is an arithmetic number, because the mean of its divisors is an integer number (69186336615).

Almost surely, 2^230621122045 is an apocalyptic number.

It is an amenable number.

230621122045 is a deficient number, since it is larger than the sum of its proper divisors (46124224415).

230621122045 is an equidigital number, since it uses as much as digits as its factorization.

230621122045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46124224414.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 230621122045 its reverse (540221126032), we get a palindrome (770842248077).

The spelling of 230621122045 in words is "two hundred thirty billion, six hundred twenty-one million, one hundred twenty-two thousand, forty-five".