202243414123 has 16 divisors (see below), whose sum is σ = 226478989440. Its totient is φ = 179473795200.

The previous prime is 202243414117. The next prime is 202243414127. The reversal of 202243414123 is 321414342202.

It is a cyclic number.

It is not a de Polignac number, because 202243414123 - 2⁹ = 202243413611 is a prime.

It is a super-2 number, since 2×202243414123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202243414091 and 202243414100.

It is not an unprimeable number, because it can be changed into a prime (202243414127) 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, 1415593 + ... + 1551898.

It is an arithmetic number, because the mean of its divisors is an integer number (14154936840).

Almost surely, 2^202243414123 is an apocalyptic number.

202243414123 is a deficient number, since it is larger than the sum of its proper divisors (24235575317).

202243414123 is a wasteful number, since it uses less digits than its factorization.

202243414123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967738.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202243414123 its reverse (321414342202), we get a palindrome (523657756325).

The spelling of 202243414123 in words is "two hundred two billion, two hundred forty-three million, four hundred fourteen thousand, one hundred twenty-three".