23145304402344 has 32 divisors (see below), whose sum is σ = 58955020650720. Its totient is φ = 7569533514816.

The previous prime is 23145304402183. The next prime is 23145304402349. The reversal of 23145304402344 is 44320440354132.

It is not an unprimeable number, because it can be changed into a prime (23145304402349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097995742 + ... + 9097998285.

It is an arithmetic number, because the mean of its divisors is an integer number (1842344395335).

Almost surely, 2^{23145304402344} is an apocalyptic number.

23145304402344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23145304402344 is an abundant number, since it is smaller than the sum of its proper divisors (35809716248376).

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

23145304402344 is a wasteful number, since it uses less digits than its factorization.

23145304402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195994089 (or 18195994085 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 23145304402344 its reverse (44320440354132), we get a palindrome (67465744756476).

The spelling of 23145304402344 in words is "twenty-three trillion, one hundred forty-five billion, three hundred four million, four hundred two thousand, three hundred forty-four".