103002520123 has 4 divisors (see below), whose sum is σ = 103121875008. Its totient is φ = 102883165240.

The previous prime is 103002520121. The next prime is 103002520133. The reversal of 103002520123 is 321025200301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103002520123 - 2¹ = 103002520121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103002520123.

It is not an unprimeable number, because it can be changed into a prime (103002520121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59676148 + ... + 59677873.

It is an arithmetic number, because the mean of its divisors is an integer number (25780468752).

Almost surely, 2^103002520123 is an apocalyptic number.

103002520123 is a deficient number, since it is larger than the sum of its proper divisors (119354885).

103002520123 is an equidigital number, since it uses as much as digits as its factorization.

103002520123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119354884.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 103002520123 its reverse (321025200301), we get a palindrome (424027720424).

The spelling of 103002520123 in words is "one hundred three billion, two million, five hundred twenty thousand, one hundred twenty-three".