102623564021 has 8 divisors (see below), whose sum is σ = 111956040000. Its totient is φ = 93291598240.

The previous prime is 102623563963. The next prime is 102623564041. The reversal of 102623564021 is 120465326201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102623564021 - 2³⁰ = 101549822197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102623564041) 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, 381320 + ... + 592158.

It is an arithmetic number, because the mean of its divisors is an integer number (13994505000).

Almost surely, 2^102623564021 is an apocalyptic number.

102623564021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102623564021 is a deficient number, since it is larger than the sum of its proper divisors (9332475979).

102623564021 is a wasteful number, since it uses less digits than its factorization.

102623564021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255099.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 102623564021 in words is "one hundred two billion, six hundred twenty-three million, five hundred sixty-four thousand, twenty-one".