102123011023 has 16 divisors (see below), whose sum is σ = 120439923840. Its totient is φ = 85575722400.

The previous prime is 102123010967. The next prime is 102123011057. The reversal of 102123011023 is 320110321201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102123011023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102123010988 and 102123011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123011063) 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, 6595333 + ... + 6610798.

It is an arithmetic number, because the mean of its divisors is an integer number (7527495240).

Almost surely, 2^102123011023 is an apocalyptic number.

102123011023 is a deficient number, since it is larger than the sum of its proper divisors (18316912817).

102123011023 is a wasteful number, since it uses less digits than its factorization.

102123011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206198.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102123011023 its reverse (320110321201), we get a palindrome (422233332224).

The spelling of 102123011023 in words is "one hundred two billion, one hundred twenty-three million, eleven thousand, twenty-three".