23020223644 has 24 divisors (see below), whose sum is σ = 44504006400. Its totient is φ = 10331284080.

The previous prime is 23020223599. The next prime is 23020223687. The reversal of 23020223644 is 44632202032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307834 + ... + 3314785.

It is an arithmetic number, because the mean of its divisors is an integer number (1854333600).

Almost surely, 2^23020223644 is an apocalyptic number.

It is an amenable number.

23020223644 is a deficient number, since it is larger than the sum of its proper divisors (21483782756).

23020223644 is a wasteful number, since it uses less digits than its factorization.

23020223644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622713 (or 6622711 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23020223644 its reverse (44632202032), we get a palindrome (67652425676).

The spelling of 23020223644 in words is "twenty-three billion, twenty million, two hundred twenty-three thousand, six hundred forty-four".