102011210023 has 32 divisors (see below), whose sum is σ = 109190301696. Its totient is φ = 95102988288.

The previous prime is 102011209961. The next prime is 102011210053. The reversal of 102011210023 is 320012110201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102011210023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011209985 and 102011210012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011210053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42099990 + ... + 42102412.

It is an arithmetic number, because the mean of its divisors is an integer number (3412196928).

Almost surely, 2^102011210023 is an apocalyptic number.

102011210023 is a deficient number, since it is larger than the sum of its proper divisors (7179091673).

102011210023 is a wasteful number, since it uses less digits than its factorization.

102011210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102011210023 its reverse (320012110201), we get a palindrome (422023320224).

The spelling of 102011210023 in words is "one hundred two billion, eleven million, two hundred ten thousand, twenty-three".