23401144442 has 16 divisors (see below), whose sum is σ = 37834739712. Its totient is φ = 10791130800.

The previous prime is 23401144433. The next prime is 23401144451. The reversal of 23401144442 is 24444110432.

It is an interprime number because it is at equal distance from previous prime (23401144433) and next prime (23401144451).

It is a super-2 number, since 2×23401144442² (a number of 22 digits) contains 22 as substring.

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, 361058 + ... + 420909.

It is an arithmetic number, because the mean of its divisors is an integer number (2364671232).

Almost surely, 2^23401144442 is an apocalyptic number.

23401144442 is a deficient number, since it is larger than the sum of its proper divisors (14433595270).

23401144442 is a wasteful number, since it uses less digits than its factorization.

23401144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783133.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 23401144442 its reverse (24444110432), we get a palindrome (47845254874).

The spelling of 23401144442 in words is "twenty-three billion, four hundred one million, one hundred forty-four thousand, four hundred forty-two".