21230023022310 has 64 divisors (see below), whose sum is σ = 52742662963200. Its totient is φ = 5462632248192.

The previous prime is 21230023022291. The next prime is 21230023022311. The reversal of 21230023022310 is 1322032003212.

It is a happy number.

It is a super-2 number, since 2×21230023022310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230023022311) 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, 6423030 + ... + 9149609.

It is an arithmetic number, because the mean of its divisors is an integer number (824104108800).

Almost surely, 2^{21230023022310} is an apocalyptic number.

21230023022310 is an abundant number, since it is smaller than the sum of its proper divisors (31512639940890).

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

21230023022310 is a wasteful number, since it uses less digits than its factorization.

21230023022310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15574245.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21230023022310 its reverse (1322032003212), we get a palindrome (22552055025522).

The spelling of 21230023022310 in words is "twenty-one trillion, two hundred thirty billion, twenty-three million, twenty-two thousand, three hundred ten".