23216421030 has 64 divisors (see below), whose sum is σ = 63427650048. Its totient is φ = 5383516160.

The previous prime is 23216421023. The next prime is 23216421071. The reversal of 23216421030 is 3012461232.

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, 1521819 + ... + 1536998.

It is an arithmetic number, because the mean of its divisors is an integer number (991057032).

Almost surely, 2^23216421030 is an apocalyptic number.

23216421030 is an abundant number, since it is smaller than the sum of its proper divisors (40211229018).

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

23216421030 is a wasteful number, since it uses less digits than its factorization.

23216421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058861.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23216421030 its reverse (3012461232), we get a palindrome (26228882262).

The spelling of 23216421030 in words is "twenty-three billion, two hundred sixteen million, four hundred twenty-one thousand, thirty".