121010003023 has 16 divisors (see below), whose sum is σ = 149385381376. Its totient is φ = 95454897120.

The previous prime is 121010003003. The next prime is 121010003077. The reversal of 121010003023 is 320300010121.

It is a cyclic number.

It is not a de Polignac number, because 121010003023 - 2²⁵ = 120976448591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121010002994 and 121010003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010003003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978611 + ... + 2038852.

It is an arithmetic number, because the mean of its divisors is an integer number (9336586336).

Almost surely, 2^121010003023 is an apocalyptic number.

121010003023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121010003023 is a deficient number, since it is larger than the sum of its proper divisors (28375378353).

121010003023 is a wasteful number, since it uses less digits than its factorization.

121010003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017814.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 121010003023 its reverse (320300010121), we get a palindrome (441310013144).

The spelling of 121010003023 in words is "one hundred twenty-one billion, ten million, three thousand, twenty-three".