10023421400202 has 64 divisors (see below), whose sum is σ = 22942008923904. Its totient is φ = 2859920455680.

The previous prime is 10023421400177. The next prime is 10023421400203. The reversal of 10023421400202 is 20200412432001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10023421400203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113893488 + ... + 113981460.

It is an arithmetic number, because the mean of its divisors is an integer number (358468889436).

Almost surely, 2^{10023421400202} is an apocalyptic number.

10023421400202 is an abundant number, since it is smaller than the sum of its proper divisors (12918587523702).

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

10023421400202 is a wasteful number, since it uses less digits than its factorization.

10023421400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91663.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10023421400202 its reverse (20200412432001), we get a palindrome (30223833832203).

The spelling of 10023421400202 in words is "ten trillion, twenty-three billion, four hundred twenty-one million, four hundred thousand, two hundred two".