102123023 has 2 divisors, whose sum is σ = 102123024. Its totient is φ = 102123022.

The previous prime is 102123017. The next prime is 102123053. The reversal of 102123023 is 320321201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (320321201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102123023 - 2⁸ = 102122767 is a prime.

It is a super-2 number, since 2×102123023² = 20858223653317058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102122989 and 102123007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102123053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061511 + 51061512.

It is an arithmetic number, because the mean of its divisors is an integer number (51061512).

Almost surely, 2^102123023 is an apocalyptic number.

102123023 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123023 is an equidigital number, since it uses as much as digits as its factorization.

102123023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102123023 is about 10105.5936490639. The cubic root of 102123023 is about 467.4206417767.

Adding to 102123023 its reverse (320321201), we get a palindrome (422444224).

The spelling of 102123023 in words is "one hundred two million, one hundred twenty-three thousand, twenty-three".