23020143444 has 36 divisors (see below), whose sum is σ = 58648006144. Its totient is φ = 7612959312.

The previous prime is 23020143427. The next prime is 23020143451. The reversal of 23020143444 is 44434102032.

It is a happy number.

23020143444 is a `hidden beast` number, since 2 + 302 + 0 + 14 + 344 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23020143444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2512942 + ... + 2522085.

Almost surely, 2^23020143444 is an apocalyptic number.

It is an amenable number.

23020143444 is an abundant number, since it is smaller than the sum of its proper divisors (35627862700).

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

23020143444 is a wasteful number, since it uses less digits than its factorization.

23020143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035164 (or 5035159 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23020143444 its reverse (44434102032), we get a palindrome (67454245476).

It can be divided in two parts, 23020 and 143444, that added together give a square (166464 = 408²).

The spelling of 23020143444 in words is "twenty-three billion, twenty million, one hundred forty-three thousand, four hundred forty-four".