102011203223123 has 4 divisors (see below), whose sum is σ = 102011229463800. Its totient is φ = 102011176982448.

The previous prime is 102011203223071. The next prime is 102011203223219. The reversal of 102011203223123 is 321322302110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102011203223123 - 2¹⁶ = 102011203157587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011203220123) 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, 6001565 + ... + 15493262.

It is an arithmetic number, because the mean of its divisors is an integer number (25502807365950).

Almost surely, 2^{102011203223123} is an apocalyptic number.

102011203223123 is a deficient number, since it is larger than the sum of its proper divisors (26240677).

102011203223123 is an equidigital number, since it uses as much as digits as its factorization.

102011203223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26240676.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102011203223123 its reverse (321322302110201), we get a palindrome (423333505333324).

The spelling of 102011203223123 in words is "one hundred two trillion, eleven billion, two hundred three million, two hundred twenty-three thousand, one hundred twenty-three".