2123401300422 has 32 divisors (see below), whose sum is σ = 4256185917312. Its totient is φ = 706237767744.

The previous prime is 2123401300421. The next prime is 2123401300513. The reversal of 2123401300422 is 2240031043212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2123401300392 and 2123401300401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123401300421) 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, 6868093 + ... + 7170599.

It is an arithmetic number, because the mean of its divisors is an integer number (133005809916).

Almost surely, 2^{2123401300422} is an apocalyptic number.

2123401300422 is an abundant number, since it is smaller than the sum of its proper divisors (2132784616890).

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

2123401300422 is a wasteful number, since it uses less digits than its factorization.

2123401300422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305092.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2123401300422 its reverse (2240031043212), we get a palindrome (4363432343634).

The spelling of 2123401300422 in words is "two trillion, one hundred twenty-three billion, four hundred one million, three hundred thousand, four hundred twenty-two".