102020132310123 has 16 divisors (see below), whose sum is σ = 140178969616896. Its totient is φ = 65957224906560.

The previous prime is 102020132310113. The next prime is 102020132310133. The reversal of 102020132310123 is 321013231020201.

It is an interprime number because it is at equal distance from previous prime (102020132310113) and next prime (102020132310133).

It is not a de Polignac number, because 102020132310123 - 2¹⁶ = 102020132244587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102020132310123.

It is not an unprimeable number, because it can be changed into a prime (102020132310113) 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, 2483308711 + ... + 2483349792.

It is an arithmetic number, because the mean of its divisors is an integer number (8761185601056).

Almost surely, 2^{102020132310123} is an apocalyptic number.

102020132310123 is a deficient number, since it is larger than the sum of its proper divisors (38158837306773).

102020132310123 is a wasteful number, since it uses less digits than its factorization.

102020132310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966658714.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102020132310123 its reverse (321013231020201), we get a palindrome (423033363330324).

The spelling of 102020132310123 in words is "one hundred two trillion, twenty billion, one hundred thirty-two million, three hundred ten thousand, one hundred twenty-three".