23153460040 has 32 divisors (see below), whose sum is σ = 54837144000. Its totient is φ = 8773942464.

The previous prime is 23153460007. The next prime is 23153460047. The reversal of 23153460040 is 4006435132.

It is a junction number, because it is equal to n+sod(n) for n = 23153459990 and 23153460008.

It is not an unprimeable number, because it can be changed into a prime (23153460047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15231780 + ... + 15233299.

It is an arithmetic number, because the mean of its divisors is an integer number (1713660750).

Almost surely, 2^23153460040 is an apocalyptic number.

23153460040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23153460040 is an abundant number, since it is smaller than the sum of its proper divisors (31683683960).

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

23153460040 is a wasteful number, since it uses less digits than its factorization.

23153460040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30465109 (or 30465105 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 23153460040 its reverse (4006435132), we get a palindrome (27159895172).

The spelling of 23153460040 in words is "twenty-three billion, one hundred fifty-three million, four hundred sixty thousand, forty".