103012021023 has 16 divisors (see below), whose sum is σ = 145335244800. Its totient is φ = 64719587520.

The previous prime is 103012021001. The next prime is 103012021087. The reversal of 103012021023 is 320120210301.

It is not a de Polignac number, because 103012021023 - 2⁹ = 103012020511 is a prime.

It is a super-2 number, since 2×103012021023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012020993 and 103012021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012022023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4720078 + ... + 4741851.

It is an arithmetic number, because the mean of its divisors is an integer number (9083452800).

Almost surely, 2^103012021023 is an apocalyptic number.

103012021023 is a deficient number, since it is larger than the sum of its proper divisors (42323223777).

103012021023 is a wasteful number, since it uses less digits than its factorization.

103012021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9462142.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103012021023 its reverse (320120210301), we get a palindrome (423132231324).

The spelling of 103012021023 in words is "one hundred three billion, twelve million, twenty-one thousand, twenty-three".