102133220023 has 4 divisors (see below), whose sum is σ = 102137759208. Its totient is φ = 102128680840.

The previous prime is 102133220003. The next prime is 102133220029. The reversal of 102133220023 is 320022331201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320022331201 = 65831 ⋅4861271.

It is a cyclic number.

It is not a de Polignac number, because 102133220023 - 2³³ = 93543285431 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 (102133220029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235673 + ... + 2280898.

It is an arithmetic number, because the mean of its divisors is an integer number (25534439802).

Almost surely, 2^102133220023 is an apocalyptic number.

102133220023 is a deficient number, since it is larger than the sum of its proper divisors (4539185).

102133220023 is an equidigital number, since it uses as much as digits as its factorization.

102133220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539184.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102133220023 its reverse (320022331201), we get a palindrome (422155551224).

The spelling of 102133220023 in words is "one hundred two billion, one hundred thirty-three million, two hundred twenty thousand, twenty-three".