23115315040032 has 48 divisors (see below), whose sum is σ = 62635047213312. Its totient is φ = 7456553237760.

The previous prime is 23115315039991. The next prime is 23115315040033. The reversal of 23115315040032 is 23004051351132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×23115315040032² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23115315040033) 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, 3883618503 + ... + 3883624454.

It is an arithmetic number, because the mean of its divisors is an integer number (1304896816944).

Almost surely, 2^{23115315040032} is an apocalyptic number.

It is an amenable number.

23115315040032 is an abundant number, since it is smaller than the sum of its proper divisors (39519732173280).

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

23115315040032 is a wasteful number, since it uses less digits than its factorization.

23115315040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767243001 (or 7767242993 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 23115315040032 its reverse (23004051351132), we get a palindrome (46119366391164).

The spelling of 23115315040032 in words is "twenty-three trillion, one hundred fifteen billion, three hundred fifteen million, forty thousand, thirty-two".