123020340133045 has 8 divisors (see below), whose sum is σ = 149493071554560. Its totient is φ = 97170496509840.

The previous prime is 123020340133039. The next prime is 123020340133069. The reversal of 123020340133045 is 540331043020321.

It is a happy number.

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

It is not a de Polignac number, because 123020340133045 - 2¹⁷ = 123020340001973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123020340132998 and 123020340133016.

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, 155721949141 + ... + 155721949930.

It is an arithmetic number, because the mean of its divisors is an integer number (18686633944320).

Almost surely, 2^{123020340133045} is an apocalyptic number.

It is an amenable number.

123020340133045 is a deficient number, since it is larger than the sum of its proper divisors (26472731421515).

123020340133045 is an equidigital number, since it uses as much as digits as its factorization.

123020340133045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311443899155.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 123020340133045 its reverse (540331043020321), we get a palindrome (663351383153366).

The spelling of 123020340133045 in words is "one hundred twenty-three trillion, twenty billion, three hundred forty million, one hundred thirty-three thousand, forty-five".