23115504345450 has 96 divisors (see below), whose sum is σ = 62621222556672. Its totient is φ = 5596296600000.

The previous prime is 23115504345443. The next prime is 23115504345499. The reversal of 23115504345450 is 5454340551132.

It is a super-2 number, since 2×23115504345450² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8088012 + ... + 10566311.

It is an arithmetic number, because the mean of its divisors is an integer number (652304401632).

Almost surely, 2^{23115504345450} is an apocalyptic number.

23115504345450 is an abundant number, since it is smaller than the sum of its proper divisors (39505718211222).

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

23115504345450 is a wasteful number, since it uses less digits than its factorization.

23115504345450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655100 (or 18655095 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 23115504345450 its reverse (5454340551132), we get a palindrome (28569844896582).

The spelling of 23115504345450 in words is "twenty-three trillion, one hundred fifteen billion, five hundred four million, three hundred forty-five thousand, four hundred fifty".