202432420123 has 8 divisors (see below), whose sum is σ = 217276378128. Its totient is φ = 187914703104.

The previous prime is 202432420117. The next prime is 202432420147. The reversal of 202432420123 is 321024234202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202432420123 - 2⁹ = 202432419611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202432420103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81558961 + ... + 81561442.

It is an arithmetic number, because the mean of its divisors is an integer number (27159547266).

Almost surely, 2^202432420123 is an apocalyptic number.

202432420123 is a deficient number, since it is larger than the sum of its proper divisors (14843958005).

202432420123 is a wasteful number, since it uses less digits than its factorization.

202432420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163120493.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202432420123 its reverse (321024234202), we get a palindrome (523456654325).

The spelling of 202432420123 in words is "two hundred two billion, four hundred thirty-two million, four hundred twenty thousand, one hundred twenty-three".