21230023022030 has 64 divisors (see below), whose sum is σ = 39386857098240. Its totient is φ = 8235049951104.

The previous prime is 21230023022029. The next prime is 21230023022059. The reversal of 21230023022030 is 3022032003212.

It is a junction number, because it is equal to n+sod(n) for n = 21230023021993 and 21230023022011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22848509 + ... + 23759511.

It is an arithmetic number, because the mean of its divisors is an integer number (615419642160).

Almost surely, 2^{21230023022030} is an apocalyptic number.

21230023022030 is a deficient number, since it is larger than the sum of its proper divisors (18156834076210).

21230023022030 is a wasteful number, since it uses less digits than its factorization.

21230023022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911513.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21230023022030 its reverse (3022032003212), we get a palindrome (24252055025242).

The spelling of 21230023022030 in words is "twenty-one trillion, two hundred thirty billion, twenty-three million, twenty-two thousand, thirty".