65021884123 has 48 divisors (see below), whose sum is σ = 79052160000. Its totient is φ = 53265522240.

The previous prime is 65021884117. The next prime is 65021884129. The reversal of 65021884123 is 32148812056.

It is an interprime number because it is at equal distance from previous prime (65021884117) and next prime (65021884129).

It is not a de Polignac number, because 65021884123 - 2¹³ = 65021875931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65021884129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82619536 + ... + 82620322.

It is an arithmetic number, because the mean of its divisors is an integer number (1646920000).

Almost surely, 2^65021884123 is an apocalyptic number.

65021884123 is a deficient number, since it is larger than the sum of its proper divisors (14030275877).

65021884123 is a wasteful number, since it uses less digits than its factorization.

65021884123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

It can be divided in two parts, 6502 and 1884123, that added together give a square (1890625 = 1375²).

The spelling of 65021884123 in words is "sixty-five billion, twenty-one million, eight hundred eighty-four thousand, one hundred twenty-three".