23293938553 has 8 divisors (see below), whose sum is σ = 23488109568. Its totient is φ = 23099935824.

The previous prime is 23293938539. The next prime is 23293938599. The reversal of 23293938553 is 35583939232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23293938553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23293938553.

It is not an unprimeable number, because it can be changed into a prime (23293932553) 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, 243975 + ... + 325747.

It is an arithmetic number, because the mean of its divisors is an integer number (2936013696).

Almost surely, 2^23293938553 is an apocalyptic number.

It is an amenable number.

23293938553 is a deficient number, since it is larger than the sum of its proper divisors (194171015).

23293938553 is a wasteful number, since it uses less digits than its factorization.

23293938553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84143.

The product of its digits is 5248800, while the sum is 52.

The spelling of 23293938553 in words is "twenty-three billion, two hundred ninety-three million, nine hundred thirty-eight thousand, five hundred fifty-three".