1023220102123 has 2 divisors, whose sum is σ = 1023220102124. Its totient is φ = 1023220102122.

The previous prime is 1023220102103. The next prime is 1023220102127. The reversal of 1023220102123 is 3212010223201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023220102123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023220102123.

It is not a weakly prime, because it can be changed into another prime (1023220102127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511610051061 + 511610051062.

It is an arithmetic number, because the mean of its divisors is an integer number (511610051062).

Almost surely, 2^{1023220102123} is an apocalyptic number.

1023220102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023220102123 is an equidigital number, since it uses as much as digits as its factorization.

1023220102123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1023220102123 its reverse (3212010223201), we get a palindrome (4235230325324).

The spelling of 1023220102123 in words is "one trillion, twenty-three billion, two hundred twenty million, one hundred two thousand, one hundred twenty-three".