201423214100 has 36 divisors (see below), whose sum is σ = 446388137664. Its totient is φ = 78855043680.

The previous prime is 201423214073. The next prime is 201423214169. The reversal of 201423214100 is 1412324102.

It is a super-2 number, since 2×201423214100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21423302 + ... + 21432701.

Almost surely, 2^201423214100 is an apocalyptic number.

201423214100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201423214100 is an abundant number, since it is smaller than the sum of its proper divisors (244964923564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201423214100 is a wasteful number, since it uses less digits than its factorization.

201423214100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42856064 (or 42856057 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201423214100 its reverse (1412324102), we get a palindrome (202835538202).

The spelling of 201423214100 in words is "two hundred one billion, four hundred twenty-three million, two hundred fourteen thousand, one hundred".