23445065545 has 16 divisors (see below), whose sum is σ = 30847531968. Its totient is φ = 16964395840.

The previous prime is 23445065543. The next prime is 23445065549. The reversal of 23445065545 is 54556054432.

It is not a de Polignac number, because 23445065545 - 2¹ = 23445065543 is a prime.

It is a super-2 number, since 2×23445065545² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23445065543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071079 + ... + 1092748.

It is an arithmetic number, because the mean of its divisors is an integer number (1927970748).

Almost surely, 2^23445065545 is an apocalyptic number.

It is an amenable number.

23445065545 is a deficient number, since it is larger than the sum of its proper divisors (7402466423).

23445065545 is a wasteful number, since it uses less digits than its factorization.

23445065545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164040.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 23445065545 in words is "twenty-three billion, four hundred forty-five million, sixty-five thousand, five hundred forty-five".