23533156450 has 48 divisors (see below), whose sum is σ = 44528649984. Its totient is φ = 9250747200.

The previous prime is 23533156411. The next prime is 23533156453. The reversal of 23533156450 is 5465133532.

It is not an unprimeable number, because it can be changed into a prime (23533156453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4349647 + ... + 4355053.

It is an arithmetic number, because the mean of its divisors is an integer number (927680208).

Almost surely, 2^23533156450 is an apocalyptic number.

23533156450 is a deficient number, since it is larger than the sum of its proper divisors (20995493534).

23533156450 is a wasteful number, since it uses less digits than its factorization.

23533156450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907 (or 6902 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 23533156450 its reverse (5465133532), we get a palindrome (28998289982).

The spelling of 23533156450 in words is "twenty-three billion, five hundred thirty-three million, one hundred fifty-six thousand, four hundred fifty".