23421395590 has 16 divisors (see below), whose sum is σ = 43518464640. Its totient is φ = 9066346560.

The previous prime is 23421395479. The next prime is 23421395593. The reversal of 23421395590 is 9559312432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421395593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37776135 + ... + 37776754.

It is an arithmetic number, because the mean of its divisors is an integer number (2719904040).

Almost surely, 2^23421395590 is an apocalyptic number.

23421395590 is a deficient number, since it is larger than the sum of its proper divisors (20097069050).

23421395590 is a wasteful number, since it uses less digits than its factorization.

23421395590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75552927.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 23421395590 in words is "twenty-three billion, four hundred twenty-one million, three hundred ninety-five thousand, five hundred ninety".