23211344390 has 32 divisors (see below), whose sum is σ = 45116991360. Its totient is φ = 8546972544.

The previous prime is 23211344389. The next prime is 23211344393. The reversal of 23211344390 is 9344311232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211344393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195545 + ... + 290964.

It is an arithmetic number, because the mean of its divisors is an integer number (1409905980).

Almost surely, 2^23211344390 is an apocalyptic number.

23211344390 is a deficient number, since it is larger than the sum of its proper divisors (21905646970).

23211344390 is a wasteful number, since it uses less digits than its factorization.

23211344390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486896.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 23211344390 in words is "twenty-three billion, two hundred eleven million, three hundred forty-four thousand, three hundred ninety".