103121210020023 has 96 divisors (see below), whose sum is σ = 174007605058560. Its totient is φ = 58301701102080.

The previous prime is 103121210020021. The next prime is 103121210020067. The reversal of 103121210020023 is 320020012121301.

103121210020023 is a `hidden beast` number, since 10 + 312 + 121 + 0 + 0 + 200 + 23 = 666.

It is not a de Polignac number, because 103121210020023 - 2¹ = 103121210020021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103121210019978 and 103121210020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121210020021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11833390 + ... + 18608372.

It is an arithmetic number, because the mean of its divisors is an integer number (1812579219360).

Almost surely, 2^{103121210020023} is an apocalyptic number.

103121210020023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103121210020023 is a deficient number, since it is larger than the sum of its proper divisors (70886395038537).

103121210020023 is a wasteful number, since it uses less digits than its factorization.

103121210020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775229 (or 6775226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103121210020023 its reverse (320020012121301), we get a palindrome (423141222141324).

The spelling of 103121210020023 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, twenty-three".