23345500545 has 48 divisors (see below), whose sum is σ = 42651610560. Its totient is φ = 11780028288.

The previous prime is 23345500543. The next prime is 23345500547. The reversal of 23345500545 is 54500554332.

23345500545 is a `hidden beast` number, since 23 + 3 + 45 + 50 + 0 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (23345500543) and next prime (23345500547).

It is not a de Polignac number, because 23345500545 - 2¹ = 23345500543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23345500543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 643254 + ... + 678576.

It is an arithmetic number, because the mean of its divisors is an integer number (888575220).

Almost surely, 2^23345500545 is an apocalyptic number.

It is an amenable number.

23345500545 is a deficient number, since it is larger than the sum of its proper divisors (19306110015).

23345500545 is a wasteful number, since it uses less digits than its factorization.

23345500545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36126 (or 36123 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 23345500545 in words is "twenty-three billion, three hundred forty-five million, five hundred thousand, five hundred forty-five".