23201402022 has 20 divisors (see below), whose sum is σ = 51988327116. Its totient is φ = 7733800620.

The previous prime is 23201401981. The next prime is 23201402047. The reversal of 23201402022 is 22020410232.

23201402022 is a `hidden beast` number, since 2 + 320 + 140 + 202 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23201401986 and 23201402004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71609104 + ... + 71609427.

Almost surely, 2^23201402022 is an apocalyptic number.

23201402022 is an abundant number, since it is smaller than the sum of its proper divisors (28786925094).

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

23201402022 is a wasteful number, since it uses less digits than its factorization.

23201402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143218545 (or 143218536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23201402022 its reverse (22020410232), we get a palindrome (45221812254).

The spelling of 23201402022 in words is "twenty-three billion, two hundred one million, four hundred two thousand, twenty-two".