23443053540 has 48 divisors (see below), whose sum is σ = 66020004288. Its totient is φ = 6215342464.

The previous prime is 23443053493. The next prime is 23443053559. The reversal of 23443053540 is 4535034432.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118862 + ... + 1139621.

It is an arithmetic number, because the mean of its divisors is an integer number (1375416756).

Almost surely, 2^23443053540 is an apocalyptic number.

23443053540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443053540 is an abundant number, since it is smaller than the sum of its proper divisors (42576950748).

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

23443053540 is a wasteful number, since it uses less digits than its factorization.

23443053540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258668 (or 2258666 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 23443053540 its reverse (4535034432), we get a palindrome (27978087972).

The spelling of 23443053540 in words is "twenty-three billion, four hundred forty-three million, fifty-three thousand, five hundred forty".