123020231043 has 32 divisors (see below), whose sum is σ = 177181992000. Its totient is φ = 75646140416.

The previous prime is 123020231003. The next prime is 123020231053. The reversal of 123020231043 is 340132020321.

It is a cyclic number.

It is not a de Polignac number, because 123020231043 - 2¹³ = 123020222851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123020231003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392983 + ... + 632831.

It is an arithmetic number, because the mean of its divisors is an integer number (5536937250).

Almost surely, 2^123020231043 is an apocalyptic number.

123020231043 is a deficient number, since it is larger than the sum of its proper divisors (54161760957).

123020231043 is a wasteful number, since it uses less digits than its factorization.

123020231043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240071.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123020231043 its reverse (340132020321), we get a palindrome (463152251364).

The spelling of 123020231043 in words is "one hundred twenty-three billion, twenty million, two hundred thirty-one thousand, forty-three".