123501045243 has 8 divisors (see below), whose sum is σ = 164677302288. Its totient is φ = 82329409184.

The previous prime is 123501045229. The next prime is 123501045263. The reversal of 123501045243 is 342540105321.

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

It is a cyclic number.

It is not a de Polignac number, because 123501045243 - 2⁹ = 123501044731 is a prime.

It is a super-2 number, since 2×123501045243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123501045243.

It is not an unprimeable number, because it can be changed into a prime (123501045263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092396 + ... + 1200137.

It is an arithmetic number, because the mean of its divisors is an integer number (20584662786).

Almost surely, 2^123501045243 is an apocalyptic number.

123501045243 is a deficient number, since it is larger than the sum of its proper divisors (41176257045).

123501045243 is a wasteful number, since it uses less digits than its factorization.

123501045243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310493.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 123501045243 in words is "one hundred twenty-three billion, five hundred one million, forty-five thousand, two hundred forty-three".