123003500135 has 8 divisors (see below), whose sum is σ = 148488058656. Its totient is φ = 97813561120.

The previous prime is 123003500101. The next prime is 123003500201. The reversal of 123003500135 is 531005300321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-123003500135 is a prime.

It is a super-2 number, since 2×123003500135² (a number of 23 digits) contains 22 as substring.

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 123003500135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73653956 + ... + 73655625.

It is an arithmetic number, because the mean of its divisors is an integer number (18561007332).

Almost surely, 2^123003500135 is an apocalyptic number.

123003500135 is a deficient number, since it is larger than the sum of its proper divisors (25484558521).

123003500135 is a wasteful number, since it uses less digits than its factorization.

123003500135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147309753.

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 123003500135 its reverse (531005300321), we get a palindrome (654008800456).

The spelling of 123003500135 in words is "one hundred twenty-three billion, three million, five hundred thousand, one hundred thirty-five".